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Finding the Fourth Proportional to 98,862.14, 148,230.36 and 83,874.43

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Solution

The fourth proportional to 98,862.14, 148,230.36 and 83,874.43 is: 125,758.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,862.14 : 148,230.36 = 83,874.43 : x
  2. Step 2: Convert to fraction form
    98,862.14/148,230.36 = 83,874.43/x
  3. Step 3: Cross multiply
    98,862.14x = 148,230.36 × 83,874.43
  4. Step 4: Simplify right side
    98,862.14x = 12,432,736,305.19
  5. Step 5: Solve for x
    x = 12,432,736,305.19/98,862.14
  6. Step 6: Final answer
    x = 125,758.31

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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.