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Finding the Fourth Proportional to 107,963.73, 148,990.16 and 60,220.17

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Solution

The fourth proportional to 107,963.73, 148,990.16 and 60,220.17 is: 83,103.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,963.73 : 148,990.16 = 60,220.17 : x
  2. Step 2: Convert to fraction form
    107,963.73/148,990.16 = 60,220.17/x
  3. Step 3: Cross multiply
    107,963.73x = 148,990.16 × 60,220.17
  4. Step 4: Simplify right side
    107,963.73x = 8,972,212,763.53
  5. Step 5: Solve for x
    x = 8,972,212,763.53/107,963.73
  6. Step 6: Final answer
    x = 83,103.95

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1.5x scale

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.