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Finding the Fourth Proportional to 92,643.52, 127,714.20 and 60,757.12

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Solution

The fourth proportional to 92,643.52, 127,714.20 and 60,757.12 is: 83,757.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,643.52 : 127,714.20 = 60,757.12 : x
  2. Step 2: Convert to fraction form
    92,643.52/127,714.20 = 60,757.12/x
  3. Step 3: Cross multiply
    92,643.52x = 127,714.20 × 60,757.12
  4. Step 4: Simplify right side
    92,643.52x = 7,759,546,975.10
  5. Step 5: Solve for x
    x = 7,759,546,975.10/92,643.52
  6. Step 6: Final answer
    x = 83,757.04

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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.