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Finding the Fourth Proportional to 72,244.92, 99,476.46 and 63,242.04

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Solution

The fourth proportional to 72,244.92, 99,476.46 and 63,242.04 is: 87,080.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,244.92 : 99,476.46 = 63,242.04 : x
  2. Step 2: Convert to fraction form
    72,244.92/99,476.46 = 63,242.04/x
  3. Step 3: Cross multiply
    72,244.92x = 99,476.46 × 63,242.04
  4. Step 4: Simplify right side
    72,244.92x = 6,291,094,262.38
  5. Step 5: Solve for x
    x = 6,291,094,262.38/72,244.92
  6. Step 6: Final answer
    x = 87,080.09

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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.