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Finding the Fourth Proportional to 144,070.87, 198,579.85 and 96,306.79

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Solution

The fourth proportional to 144,070.87, 198,579.85 and 96,306.79 is: 132,744.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,070.87 : 198,579.85 = 96,306.79 : x
  2. Step 2: Convert to fraction form
    144,070.87/198,579.85 = 96,306.79/x
  3. Step 3: Cross multiply
    144,070.87x = 198,579.85 × 96,306.79
  4. Step 4: Simplify right side
    144,070.87x = 19,124,587,912.18
  5. Step 5: Solve for x
    x = 19,124,587,912.18/144,070.87
  6. Step 6: Final answer
    x = 132,744.31

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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.