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Finding the Fourth Proportional to 71,567,285.80, 107,350,928.70 and 60,481,820.20

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Solution

The fourth proportional to 71,567,285.80, 107,350,928.70 and 60,481,820.20 is: 90,722,730.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,567,285.80 : 107,350,928.70 = 60,481,820.20 : x
  2. Step 2: Convert to fraction form
    71,567,285.80/107,350,928.70 = 60,481,820.20/x
  3. Step 3: Cross multiply
    71,567,285.80x = 107,350,928.70 × 60,481,820.20
  4. Step 4: Simplify right side
    71,567,285.80x = 6,492,779,567,936,420
  5. Step 5: Solve for x
    x = 6,492,779,567,936,420/71,567,285.80
  6. Step 6: Final answer
    x = 90,722,730.30

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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.