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Finding the Fourth Proportional to 104,265.90, 143,878.14 and 58,948.02

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Solution

The fourth proportional to 104,265.90, 143,878.14 and 58,948.02 is: 81,343.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,265.90 : 143,878.14 = 58,948.02 : x
  2. Step 2: Convert to fraction form
    104,265.90/143,878.14 = 58,948.02/x
  3. Step 3: Cross multiply
    104,265.90x = 143,878.14 × 58,948.02
  4. Step 4: Simplify right side
    104,265.90x = 8,481,331,474.28
  5. Step 5: Solve for x
    x = 8,481,331,474.28/104,265.90
  6. Step 6: Final answer
    x = 81,343.29

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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.