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Finding the Fourth Proportional to 77,263.43, 115,870.52 and 24,660.61

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Solution

The fourth proportional to 77,263.43, 115,870.52 and 24,660.61 is: 36,983.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,263.43 : 115,870.52 = 24,660.61 : x
  2. Step 2: Convert to fraction form
    77,263.43/115,870.52 = 24,660.61/x
  3. Step 3: Cross multiply
    77,263.43x = 115,870.52 × 24,660.61
  4. Step 4: Simplify right side
    77,263.43x = 2,857,437,476.19
  5. Step 5: Solve for x
    x = 2,857,437,476.19/77,263.43
  6. Step 6: Final answer
    x = 36,983.05

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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.