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Finding the Fourth Proportional to 94,691.82, 130,740.76 and 58,897.92

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Solution

The fourth proportional to 94,691.82, 130,740.76 and 58,897.92 is: 81,320.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,691.82 : 130,740.76 = 58,897.92 : x
  2. Step 2: Convert to fraction form
    94,691.82/130,740.76 = 58,897.92/x
  3. Step 3: Cross multiply
    94,691.82x = 130,740.76 × 58,897.92
  4. Step 4: Simplify right side
    94,691.82x = 7,700,358,823.22
  5. Step 5: Solve for x
    x = 7,700,358,823.22/94,691.82
  6. Step 6: Final answer
    x = 81,320.21

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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.