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Finding the Fourth Proportional to 126,952.59, 175,103.60 and 83,882.19

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Solution

The fourth proportional to 126,952.59, 175,103.60 and 83,882.19 is: 115,697.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,952.59 : 175,103.60 = 83,882.19 : x
  2. Step 2: Convert to fraction form
    126,952.59/175,103.60 = 83,882.19/x
  3. Step 3: Cross multiply
    126,952.59x = 175,103.60 × 83,882.19
  4. Step 4: Simplify right side
    126,952.59x = 14,688,073,025.47
  5. Step 5: Solve for x
    x = 14,688,073,025.47/126,952.59
  6. Step 6: Final answer
    x = 115,697.31

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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.