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Finding the Fourth Proportional to 127,283.92, 175,649.16 and 70,691.92

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Solution

The fourth proportional to 127,283.92, 175,649.16 and 70,691.92 is: 97,553.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,283.92 : 175,649.16 = 70,691.92 : x
  2. Step 2: Convert to fraction form
    127,283.92/175,649.16 = 70,691.92/x
  3. Step 3: Cross multiply
    127,283.92x = 175,649.16 × 70,691.92
  4. Step 4: Simplify right side
    127,283.92x = 12,416,976,366.79
  5. Step 5: Solve for x
    x = 12,416,976,366.79/127,283.92
  6. Step 6: Final answer
    x = 97,553.38

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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.