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Finding the Fourth Proportional to 127,275.60, 175,659.48 and 91,583.76

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Solution

The fourth proportional to 127,275.60, 175,659.48 and 91,583.76 is: 126,399.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,275.60 : 175,659.48 = 91,583.76 : x
  2. Step 2: Convert to fraction form
    127,275.60/175,659.48 = 91,583.76/x
  3. Step 3: Cross multiply
    127,275.60x = 175,659.48 × 91,583.76
  4. Step 4: Simplify right side
    127,275.60x = 16,087,555,658.04
  5. Step 5: Solve for x
    x = 16,087,555,658.04/127,275.60
  6. Step 6: Final answer
    x = 126,399.37

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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.