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Finding the Fourth Proportional to 42,124,003.20, 59,143,665.60 and 42,124,003.20

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Solution

The fourth proportional to 42,124,003.20, 59,143,665.60 and 42,124,003.20 is: 59,143,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,124,003.20 : 59,143,665.60 = 42,124,003.20 : x
  2. Step 2: Convert to fraction form
    42,124,003.20/59,143,665.60 = 42,124,003.20/x
  3. Step 3: Cross multiply
    42,124,003.20x = 59,143,665.60 × 42,124,003.20
  4. Step 4: Simplify right side
    42,124,003.20x = 2,491,367,958,994,130
  5. Step 5: Solve for x
    x = 2,491,367,958,994,130/42,124,003.20
  6. Step 6: Final answer
    x = 59,143,665.60

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1.5x scale

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.