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Finding the Fourth Proportional to 173,487.56, 239,527.14 and 112,348.76

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Solution

The fourth proportional to 173,487.56, 239,527.14 and 112,348.76 is: 155,115.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,487.56 : 239,527.14 = 112,348.76 : x
  2. Step 2: Convert to fraction form
    173,487.56/239,527.14 = 112,348.76/x
  3. Step 3: Cross multiply
    173,487.56x = 239,527.14 × 112,348.76
  4. Step 4: Simplify right side
    173,487.56x = 26,910,577,165.35
  5. Step 5: Solve for x
    x = 26,910,577,165.35/173,487.56
  6. Step 6: Final answer
    x = 155,115.31

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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.