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Finding the Fourth Proportional to 127,950.88, 176,515.11 and 74,204.74

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Solution

The fourth proportional to 127,950.88, 176,515.11 and 74,204.74 is: 102,369.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,950.88 : 176,515.11 = 74,204.74 : x
  2. Step 2: Convert to fraction form
    127,950.88/176,515.11 = 74,204.74/x
  3. Step 3: Cross multiply
    127,950.88x = 176,515.11 × 74,204.74
  4. Step 4: Simplify right side
    127,950.88x = 13,098,257,843.62
  5. Step 5: Solve for x
    x = 13,098,257,843.62/127,950.88
  6. Step 6: Final answer
    x = 102,369.42

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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.