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Finding the Fourth Proportional to 127,754.88, 176,299.28 and 80,034.48

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Solution

The fourth proportional to 127,754.88, 176,299.28 and 80,034.48 is: 110,446.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,754.88 : 176,299.28 = 80,034.48 : x
  2. Step 2: Convert to fraction form
    127,754.88/176,299.28 = 80,034.48/x
  3. Step 3: Cross multiply
    127,754.88x = 176,299.28 × 80,034.48
  4. Step 4: Simplify right side
    127,754.88x = 14,110,021,199.17
  5. Step 5: Solve for x
    x = 14,110,021,199.17/127,754.88
  6. Step 6: Final answer
    x = 110,446.04

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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.