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Finding the Fourth Proportional to 127,375.26, 175,781.43 and 73,655.10

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Solution

The fourth proportional to 127,375.26, 175,781.43 and 73,655.10 is: 101,646.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,375.26 : 175,781.43 = 73,655.10 : x
  2. Step 2: Convert to fraction form
    127,375.26/175,781.43 = 73,655.10/x
  3. Step 3: Cross multiply
    127,375.26x = 175,781.43 × 73,655.10
  4. Step 4: Simplify right side
    127,375.26x = 12,947,198,804.79
  5. Step 5: Solve for x
    x = 12,947,198,804.79/127,375.26
  6. Step 6: Final answer
    x = 101,646.10

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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.