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Finding the Fourth Proportional to 125,686.22, 173,448.16 and 69,098

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Solution

The fourth proportional to 125,686.22, 173,448.16 and 69,098 is: 95,355.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,686.22 : 173,448.16 = 69,098 : x
  2. Step 2: Convert to fraction form
    125,686.22/173,448.16 = 69,098/x
  3. Step 3: Cross multiply
    125,686.22x = 173,448.16 × 69,098
  4. Step 4: Simplify right side
    125,686.22x = 11,984,920,959.68
  5. Step 5: Solve for x
    x = 11,984,920,959.68/125,686.22
  6. Step 6: Final answer
    x = 95,355.89

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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.