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Finding the Fourth Proportional to 132,696.65, 183,129.06 and 99,932.39

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Solution

The fourth proportional to 132,696.65, 183,129.06 and 99,932.39 is: 137,912.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,696.65 : 183,129.06 = 99,932.39 : x
  2. Step 2: Convert to fraction form
    132,696.65/183,129.06 = 99,932.39/x
  3. Step 3: Cross multiply
    132,696.65x = 183,129.06 × 99,932.39
  4. Step 4: Simplify right side
    132,696.65x = 18,300,523,728.61
  5. Step 5: Solve for x
    x = 18,300,523,728.61/132,696.65
  6. Step 6: Final answer
    x = 137,912.48

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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.