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Finding the Fourth Proportional to 123,958.08, 171,024.16 and 70,234.56

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Solution

The fourth proportional to 123,958.08, 171,024.16 and 70,234.56 is: 96,902.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,958.08 : 171,024.16 = 70,234.56 : x
  2. Step 2: Convert to fraction form
    123,958.08/171,024.16 = 70,234.56/x
  3. Step 3: Cross multiply
    123,958.08x = 171,024.16 × 70,234.56
  4. Step 4: Simplify right side
    123,958.08x = 12,011,806,626.97
  5. Step 5: Solve for x
    x = 12,011,806,626.97/123,958.08
  6. Step 6: Final answer
    x = 96,902.17

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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.