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Finding the Fourth Proportional to 76,545.36, 114,711.12 and 37,092

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Solution

The fourth proportional to 76,545.36, 114,711.12 and 37,092 is: 55,586.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,545.36 : 114,711.12 = 37,092 : x
  2. Step 2: Convert to fraction form
    76,545.36/114,711.12 = 37,092/x
  3. Step 3: Cross multiply
    76,545.36x = 114,711.12 × 37,092
  4. Step 4: Simplify right side
    76,545.36x = 4,254,864,863.04
  5. Step 5: Solve for x
    x = 4,254,864,863.04/76,545.36
  6. Step 6: Final answer
    x = 55,586.19

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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.