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Finding the Fourth Proportional to 127,275.74, 175,630.24 and 73,564.24

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Solution

The fourth proportional to 127,275.74, 175,630.24 and 73,564.24 is: 101,512.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,275.74 : 175,630.24 = 73,564.24 : x
  2. Step 2: Convert to fraction form
    127,275.74/175,630.24 = 73,564.24/x
  3. Step 3: Cross multiply
    127,275.74x = 175,630.24 × 73,564.24
  4. Step 4: Simplify right side
    127,275.74x = 12,920,105,126.62
  5. Step 5: Solve for x
    x = 12,920,105,126.62/127,275.74
  6. Step 6: Final answer
    x = 101,512.71

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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.