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Finding the Fourth Proportional to 74,606.47, 102,940.97 and 44,385.89

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Solution

The fourth proportional to 74,606.47, 102,940.97 and 44,385.89 is: 61,243.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,606.47 : 102,940.97 = 44,385.89 : x
  2. Step 2: Convert to fraction form
    74,606.47/102,940.97 = 44,385.89/x
  3. Step 3: Cross multiply
    74,606.47x = 102,940.97 × 44,385.89
  4. Step 4: Simplify right side
    74,606.47x = 4,569,125,834.28
  5. Step 5: Solve for x
    x = 4,569,125,834.28/74,606.47
  6. Step 6: Final answer
    x = 61,243.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.