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Finding the Fourth Proportional to 104,046,223.80, 156,069,335.70 and 65,583,017.40

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Solution

The fourth proportional to 104,046,223.80, 156,069,335.70 and 65,583,017.40 is: 98,374,526.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,046,223.80 : 156,069,335.70 = 65,583,017.40 : x
  2. Step 2: Convert to fraction form
    104,046,223.80/156,069,335.70 = 65,583,017.40/x
  3. Step 3: Cross multiply
    104,046,223.80x = 156,069,335.70 × 65,583,017.40
  4. Step 4: Simplify right side
    104,046,223.80x = 10,235,497,958,819,540
  5. Step 5: Solve for x
    x = 10,235,497,958,819,540/104,046,223.80
  6. Step 6: Final answer
    x = 98,374,526.10

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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.