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Finding the Fourth Proportional to 69,953,477.60, 104,930,216.40 and 22,078,200.80

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Solution

The fourth proportional to 69,953,477.60, 104,930,216.40 and 22,078,200.80 is: 33,117,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,953,477.60 : 104,930,216.40 = 22,078,200.80 : x
  2. Step 2: Convert to fraction form
    69,953,477.60/104,930,216.40 = 22,078,200.80/x
  3. Step 3: Cross multiply
    69,953,477.60x = 104,930,216.40 × 22,078,200.80
  4. Step 4: Simplify right side
    69,953,477.60x = 2,316,670,387,666,653.50
  5. Step 5: Solve for x
    x = 2,316,670,387,666,653.50/69,953,477.60
  6. Step 6: Final answer
    x = 33,117,301.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.