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Finding the Fourth Proportional to 73,963.66, 110,951.16 and 21,373.60

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Solution

The fourth proportional to 73,963.66, 110,951.16 and 21,373.60 is: 32,062.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,963.66 : 110,951.16 = 21,373.60 : x
  2. Step 2: Convert to fraction form
    73,963.66/110,951.16 = 21,373.60/x
  3. Step 3: Cross multiply
    73,963.66x = 110,951.16 × 21,373.60
  4. Step 4: Simplify right side
    73,963.66x = 2,371,425,713.38
  5. Step 5: Solve for x
    x = 2,371,425,713.38/73,963.66
  6. Step 6: Final answer
    x = 32,062.04

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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.