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Finding the Fourth Proportional to 187,302.96, 258,469.92 and 106,747.92

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Solution

The fourth proportional to 187,302.96, 258,469.92 and 106,747.92 is: 147,307.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,302.96 : 258,469.92 = 106,747.92 : x
  2. Step 2: Convert to fraction form
    187,302.96/258,469.92 = 106,747.92/x
  3. Step 3: Cross multiply
    187,302.96x = 258,469.92 × 106,747.92
  4. Step 4: Simplify right side
    187,302.96x = 27,591,126,342.57
  5. Step 5: Solve for x
    x = 27,591,126,342.57/187,302.96
  6. Step 6: Final answer
    x = 147,307.48

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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.