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Finding the Fourth Proportional to 124,614.68, 171,966.04 and 70,898.56

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Solution

The fourth proportional to 124,614.68, 171,966.04 and 70,898.56 is: 97,838.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,614.68 : 171,966.04 = 70,898.56 : x
  2. Step 2: Convert to fraction form
    124,614.68/171,966.04 = 70,898.56/x
  3. Step 3: Cross multiply
    124,614.68x = 171,966.04 × 70,898.56
  4. Step 4: Simplify right side
    124,614.68x = 12,192,143,997.74
  5. Step 5: Solve for x
    x = 12,192,143,997.74/124,614.68
  6. Step 6: Final answer
    x = 97,838.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.