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Finding the Fourth Proportional to 171,951.40, 257,927.10 and 132,585.40

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Solution

The fourth proportional to 171,951.40, 257,927.10 and 132,585.40 is: 198,878.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,951.40 : 257,927.10 = 132,585.40 : x
  2. Step 2: Convert to fraction form
    171,951.40/257,927.10 = 132,585.40/x
  3. Step 3: Cross multiply
    171,951.40x = 257,927.10 × 132,585.40
  4. Step 4: Simplify right side
    171,951.40x = 34,197,367,724.34
  5. Step 5: Solve for x
    x = 34,197,367,724.34/171,951.40
  6. Step 6: Final answer
    x = 198,878.10

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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.