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Finding the Fourth Proportional to 58,719.78, 88,079.54 and 29,158.29

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Solution

The fourth proportional to 58,719.78, 88,079.54 and 29,158.29 is: 43,737.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,719.78 : 88,079.54 = 29,158.29 : x
  2. Step 2: Convert to fraction form
    58,719.78/88,079.54 = 29,158.29/x
  3. Step 3: Cross multiply
    58,719.78x = 88,079.54 × 29,158.29
  4. Step 4: Simplify right side
    58,719.78x = 2,568,248,624.60
  5. Step 5: Solve for x
    x = 2,568,248,624.60/58,719.78
  6. Step 6: Final answer
    x = 43,737.37

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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.