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Finding the Fourth Proportional to 132,532.66, 198,838.16 and 76,413.02

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Solution

The fourth proportional to 132,532.66, 198,838.16 and 76,413.02 is: 114,642.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,532.66 : 198,838.16 = 76,413.02 : x
  2. Step 2: Convert to fraction form
    132,532.66/198,838.16 = 76,413.02/x
  3. Step 3: Cross multiply
    132,532.66x = 198,838.16 × 76,413.02
  4. Step 4: Simplify right side
    132,532.66x = 15,193,824,984.97
  5. Step 5: Solve for x
    x = 15,193,824,984.97/132,532.66
  6. Step 6: Final answer
    x = 114,642.12

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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.