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Finding the Fourth Proportional to 42,501,896.80, 59,616,029.60 and 42,501,896.80

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Solution

The fourth proportional to 42,501,896.80, 59,616,029.60 and 42,501,896.80 is: 59,616,029.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,501,896.80 : 59,616,029.60 = 42,501,896.80 : x
  2. Step 2: Convert to fraction form
    42,501,896.80/59,616,029.60 = 42,501,896.80/x
  3. Step 3: Cross multiply
    42,501,896.80x = 59,616,029.60 × 42,501,896.80
  4. Step 4: Simplify right side
    42,501,896.80x = 2,533,794,337,684,945
  5. Step 5: Solve for x
    x = 2,533,794,337,684,945/42,501,896.80
  6. Step 6: Final answer
    x = 59,616,029.60

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.