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Finding the Fourth Proportional to 67,543.60, 101,253.48 and 25,959.28

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Solution

The fourth proportional to 67,543.60, 101,253.48 and 25,959.28 is: 38,915.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,543.60 : 101,253.48 = 25,959.28 : x
  2. Step 2: Convert to fraction form
    67,543.60/101,253.48 = 25,959.28/x
  3. Step 3: Cross multiply
    67,543.60x = 101,253.48 × 25,959.28
  4. Step 4: Simplify right side
    67,543.60x = 2,628,467,438.29
  5. Step 5: Solve for x
    x = 2,628,467,438.29/67,543.60
  6. Step 6: Final answer
    x = 38,915.12

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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.