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Finding the Fourth Proportional to 82,703.52, 124,059.12 and 26,545.92

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Solution

The fourth proportional to 82,703.52, 124,059.12 and 26,545.92 is: 39,820.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,703.52 : 124,059.12 = 26,545.92 : x
  2. Step 2: Convert to fraction form
    82,703.52/124,059.12 = 26,545.92/x
  3. Step 3: Cross multiply
    82,703.52x = 124,059.12 × 26,545.92
  4. Step 4: Simplify right side
    82,703.52x = 3,293,263,474.79
  5. Step 5: Solve for x
    x = 3,293,263,474.79/82,703.52
  6. Step 6: Final answer
    x = 39,820.11

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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.