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Finding the Fourth Proportional to 77,158.59, 115,737.06 and 58,552.89

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Solution

The fourth proportional to 77,158.59, 115,737.06 and 58,552.89 is: 87,828.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,158.59 : 115,737.06 = 58,552.89 : x
  2. Step 2: Convert to fraction form
    77,158.59/115,737.06 = 58,552.89/x
  3. Step 3: Cross multiply
    77,158.59x = 115,737.06 × 58,552.89
  4. Step 4: Simplify right side
    77,158.59x = 6,776,739,343.10
  5. Step 5: Solve for x
    x = 6,776,739,343.10/77,158.59
  6. Step 6: Final answer
    x = 87,828.71

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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.