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Finding the Fourth Proportional to 136,510.32, 204,541.92 and 131,326.32

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Solution

The fourth proportional to 136,510.32, 204,541.92 and 131,326.32 is: 196,774.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,510.32 : 204,541.92 = 131,326.32 : x
  2. Step 2: Convert to fraction form
    136,510.32/204,541.92 = 131,326.32/x
  3. Step 3: Cross multiply
    136,510.32x = 204,541.92 × 131,326.32
  4. Step 4: Simplify right side
    136,510.32x = 26,861,737,639.33
  5. Step 5: Solve for x
    x = 26,861,737,639.33/136,510.32
  6. Step 6: Final answer
    x = 196,774.41

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1.5x scale

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.