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Finding the Fourth Proportional to 124,614.73, 171,966.09 and 70,898.59

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Solution

The fourth proportional to 124,614.73, 171,966.09 and 70,898.59 is: 97,838.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,614.73 : 171,966.09 = 70,898.59 : x
  2. Step 2: Convert to fraction form
    124,614.73/171,966.09 = 70,898.59/x
  3. Step 3: Cross multiply
    124,614.73x = 171,966.09 × 70,898.59
  4. Step 4: Simplify right side
    124,614.73x = 12,192,153,308.81
  5. Step 5: Solve for x
    x = 12,192,153,308.81/124,614.73
  6. Step 6: Final answer
    x = 97,838.78

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1.5x scale

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.