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Finding the Fourth Proportional to 158,616.92, 237,940.43 and 57,440.53

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Solution

The fourth proportional to 158,616.92, 237,940.43 and 57,440.53 is: 86,166.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,616.92 : 237,940.43 = 57,440.53 : x
  2. Step 2: Convert to fraction form
    158,616.92/237,940.43 = 57,440.53/x
  3. Step 3: Cross multiply
    158,616.92x = 237,940.43 × 57,440.53
  4. Step 4: Simplify right side
    158,616.92x = 13,667,423,956.38
  5. Step 5: Solve for x
    x = 13,667,423,956.38/158,616.92
  6. Step 6: Final answer
    x = 86,166.24

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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.