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Finding the Fourth Proportional to 133,798.92, 200,712.30 and 45,062.28

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Solution

The fourth proportional to 133,798.92, 200,712.30 and 45,062.28 is: 67,598.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,798.92 : 200,712.30 = 45,062.28 : x
  2. Step 2: Convert to fraction form
    133,798.92/200,712.30 = 45,062.28/x
  3. Step 3: Cross multiply
    133,798.92x = 200,712.30 × 45,062.28
  4. Step 4: Simplify right side
    133,798.92x = 9,044,553,862.04
  5. Step 5: Solve for x
    x = 9,044,553,862.04/133,798.92
  6. Step 6: Final answer
    x = 67,598.11

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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.