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Finding the Fourth Proportional to 91,823.92, 126,726.12 and 56,037.92

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Solution

The fourth proportional to 91,823.92, 126,726.12 and 56,037.92 is: 77,337.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,823.92 : 126,726.12 = 56,037.92 : x
  2. Step 2: Convert to fraction form
    91,823.92/126,726.12 = 56,037.92/x
  3. Step 3: Cross multiply
    91,823.92x = 126,726.12 × 56,037.92
  4. Step 4: Simplify right side
    91,823.92x = 7,101,468,174.47
  5. Step 5: Solve for x
    x = 7,101,468,174.47/91,823.92
  6. Step 6: Final answer
    x = 77,337.89

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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.