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Finding the Fourth Proportional to 61,342,684.10, 91,854,593.85 and 48,481,811.90

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Solution

The fourth proportional to 61,342,684.10, 91,854,593.85 and 48,481,811.90 is: 72,596,711.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,342,684.10 : 91,854,593.85 = 48,481,811.90 : x
  2. Step 2: Convert to fraction form
    61,342,684.10/91,854,593.85 = 48,481,811.90/x
  3. Step 3: Cross multiply
    61,342,684.10x = 91,854,593.85 × 48,481,811.90
  4. Step 4: Simplify right side
    61,342,684.10x = 4,453,277,141,186,596.50
  5. Step 5: Solve for x
    x = 4,453,277,141,186,596.50/61,342,684.10
  6. Step 6: Final answer
    x = 72,596,711.52

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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.