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Finding the Fourth Proportional to 127,053.54, 175,332.66 and 69,691.68

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Solution

The fourth proportional to 127,053.54, 175,332.66 and 69,691.68 is: 96,173.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,053.54 : 175,332.66 = 69,691.68 : x
  2. Step 2: Convert to fraction form
    127,053.54/175,332.66 = 69,691.68/x
  3. Step 3: Cross multiply
    127,053.54x = 175,332.66 × 69,691.68
  4. Step 4: Simplify right side
    127,053.54x = 12,219,227,634.27
  5. Step 5: Solve for x
    x = 12,219,227,634.27/127,053.54
  6. Step 6: Final answer
    x = 96,173.85

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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.