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Finding the Fourth Proportional to 65,203,801.20, 97,805,701.80 and 34,970,713.20

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Solution

The fourth proportional to 65,203,801.20, 97,805,701.80 and 34,970,713.20 is: 52,456,069.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,203,801.20 : 97,805,701.80 = 34,970,713.20 : x
  2. Step 2: Convert to fraction form
    65,203,801.20/97,805,701.80 = 34,970,713.20/x
  3. Step 3: Cross multiply
    65,203,801.20x = 97,805,701.80 × 34,970,713.20
  4. Step 4: Simplify right side
    65,203,801.20x = 3,420,335,146,972,524
  5. Step 5: Solve for x
    x = 3,420,335,146,972,524/65,203,801.20
  6. Step 6: Final answer
    x = 52,456,069.80

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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.