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Finding the Fourth Proportional to 58,718.28, 88,077.42 and 17,165.28

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Solution

The fourth proportional to 58,718.28, 88,077.42 and 17,165.28 is: 25,747.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,718.28 : 88,077.42 = 17,165.28 : x
  2. Step 2: Convert to fraction form
    58,718.28/88,077.42 = 17,165.28/x
  3. Step 3: Cross multiply
    58,718.28x = 88,077.42 × 17,165.28
  4. Step 4: Simplify right side
    58,718.28x = 1,511,873,575.98
  5. Step 5: Solve for x
    x = 1,511,873,575.98/58,718.28
  6. Step 6: Final answer
    x = 25,747.92

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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.