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Finding the Fourth Proportional to 67,772,572.80, 101,546,884.80 and 57,694,876.80

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Solution

The fourth proportional to 67,772,572.80, 101,546,884.80 and 57,694,876.80 is: 86,446,991.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,772,572.80 : 101,546,884.80 = 57,694,876.80 : x
  2. Step 2: Convert to fraction form
    67,772,572.80/101,546,884.80 = 57,694,876.80/x
  3. Step 3: Cross multiply
    67,772,572.80x = 101,546,884.80 × 57,694,876.80
  4. Step 4: Simplify right side
    67,772,572.80x = 5,858,735,007,959,792
  5. Step 5: Solve for x
    x = 5,858,735,007,959,792/67,772,572.80
  6. Step 6: Final answer
    x = 86,446,991.25

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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.