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Finding the Fourth Proportional to 127,304.60, 175,680.39 and 69,947.59

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Solution

The fourth proportional to 127,304.60, 175,680.39 and 69,947.59 is: 96,527.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,304.60 : 175,680.39 = 69,947.59 : x
  2. Step 2: Convert to fraction form
    127,304.60/175,680.39 = 69,947.59/x
  3. Step 3: Cross multiply
    127,304.60x = 175,680.39 × 69,947.59
  4. Step 4: Simplify right side
    127,304.60x = 12,288,419,890.76
  5. Step 5: Solve for x
    x = 12,288,419,890.76/127,304.60
  6. Step 6: Final answer
    x = 96,527.70

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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.