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Finding the Fourth Proportional to 127,573.77, 176,073.39 and 73,891.47

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Solution

The fourth proportional to 127,573.77, 176,073.39 and 73,891.47 is: 101,982.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,573.77 : 176,073.39 = 73,891.47 : x
  2. Step 2: Convert to fraction form
    127,573.77/176,073.39 = 73,891.47/x
  3. Step 3: Cross multiply
    127,573.77x = 176,073.39 × 73,891.47
  4. Step 4: Simplify right side
    127,573.77x = 13,010,321,614.98
  5. Step 5: Solve for x
    x = 13,010,321,614.98/127,573.77
  6. Step 6: Final answer
    x = 101,982.73

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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.