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Finding the Fourth Proportional to 65,434.52, 98,023.29 and 43,179.97

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Solution

The fourth proportional to 65,434.52, 98,023.29 and 43,179.97 is: 64,685.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,434.52 : 98,023.29 = 43,179.97 : x
  2. Step 2: Convert to fraction form
    65,434.52/98,023.29 = 43,179.97/x
  3. Step 3: Cross multiply
    65,434.52x = 98,023.29 × 43,179.97
  4. Step 4: Simplify right side
    65,434.52x = 4,232,642,721.50
  5. Step 5: Solve for x
    x = 4,232,642,721.50/65,434.52
  6. Step 6: Final answer
    x = 64,685.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.