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Finding the Fourth Proportional to 41,148,122.74, 61,678,978.90 and 13,844,937.45

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Solution

The fourth proportional to 41,148,122.74, 61,678,978.90 and 13,844,937.45 is: 20,752,869.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,148,122.74 : 61,678,978.90 = 13,844,937.45 : x
  2. Step 2: Convert to fraction form
    41,148,122.74/61,678,978.90 = 13,844,937.45/x
  3. Step 3: Cross multiply
    41,148,122.74x = 61,678,978.90 × 13,844,937.45
  4. Step 4: Simplify right side
    41,148,122.74x = 853,941,605,085,985.50
  5. Step 5: Solve for x
    x = 853,941,605,085,985.50/41,148,122.74
  6. Step 6: Final answer
    x = 20,752,869.10

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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.