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Finding the Fourth Proportional to 169,679.28, 254,439 and 62,989.32

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Solution

The fourth proportional to 169,679.28, 254,439 and 62,989.32 is: 94,454.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,679.28 : 254,439 = 62,989.32 : x
  2. Step 2: Convert to fraction form
    169,679.28/254,439 = 62,989.32/x
  3. Step 3: Cross multiply
    169,679.28x = 254,439 × 62,989.32
  4. Step 4: Simplify right side
    169,679.28x = 16,026,939,591.48
  5. Step 5: Solve for x
    x = 16,026,939,591.48/169,679.28
  6. Step 6: Final answer
    x = 94,454.31

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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.