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Finding the Fourth Proportional to 125,236.79, 187,916.79 and 58,665.41

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Solution

The fourth proportional to 125,236.79, 187,916.79 and 58,665.41 is: 88,026.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,236.79 : 187,916.79 = 58,665.41 : x
  2. Step 2: Convert to fraction form
    125,236.79/187,916.79 = 58,665.41/x
  3. Step 3: Cross multiply
    125,236.79x = 187,916.79 × 58,665.41
  4. Step 4: Simplify right side
    125,236.79x = 11,024,215,531.23
  5. Step 5: Solve for x
    x = 11,024,215,531.23/125,236.79
  6. Step 6: Final answer
    x = 88,026.97

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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.