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Finding the Fourth Proportional to 92,473.65, 138,711.39 and 29,292.57

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Solution

The fourth proportional to 92,473.65, 138,711.39 and 29,292.57 is: 43,939.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,473.65 : 138,711.39 = 29,292.57 : x
  2. Step 2: Convert to fraction form
    92,473.65/138,711.39 = 29,292.57/x
  3. Step 3: Cross multiply
    92,473.65x = 138,711.39 × 29,292.57
  4. Step 4: Simplify right side
    92,473.65x = 4,063,213,101.37
  5. Step 5: Solve for x
    x = 4,063,213,101.37/92,473.65
  6. Step 6: Final answer
    x = 43,939.14

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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.