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Finding the Fourth Proportional to 104,170.28, 143,754.28 and 58,862.93

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Solution

The fourth proportional to 104,170.28, 143,754.28 and 58,862.93 is: 81,230.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,170.28 : 143,754.28 = 58,862.93 : x
  2. Step 2: Convert to fraction form
    104,170.28/143,754.28 = 58,862.93/x
  3. Step 3: Cross multiply
    104,170.28x = 143,754.28 × 58,862.93
  4. Step 4: Simplify right side
    104,170.28x = 8,461,797,254.91
  5. Step 5: Solve for x
    x = 8,461,797,254.91/104,170.28
  6. Step 6: Final answer
    x = 81,230.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.