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Finding the Fourth Proportional to 58,720.28, 88,080.42 and 17,167.28

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Solution

The fourth proportional to 58,720.28, 88,080.42 and 17,167.28 is: 25,750.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,720.28 : 88,080.42 = 17,167.28 : x
  2. Step 2: Convert to fraction form
    58,720.28/88,080.42 = 17,167.28/x
  3. Step 3: Cross multiply
    58,720.28x = 88,080.42 × 17,167.28
  4. Step 4: Simplify right side
    58,720.28x = 1,512,101,232.66
  5. Step 5: Solve for x
    x = 1,512,101,232.66/58,720.28
  6. Step 6: Final answer
    x = 25,750.92

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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.