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Finding the Fourth Proportional to 121,696.61, 182,531.07 and 32,957.03

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Solution

The fourth proportional to 121,696.61, 182,531.07 and 32,957.03 is: 49,431.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,696.61 : 182,531.07 = 32,957.03 : x
  2. Step 2: Convert to fraction form
    121,696.61/182,531.07 = 32,957.03/x
  3. Step 3: Cross multiply
    121,696.61x = 182,531.07 × 32,957.03
  4. Step 4: Simplify right side
    121,696.61x = 6,015,681,037.27
  5. Step 5: Solve for x
    x = 6,015,681,037.27/121,696.61
  6. Step 6: Final answer
    x = 49,431.79

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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.