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Finding the Fourth Proportional to 171,656.40, 256,966.20 and 150,920.40

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Solution

The fourth proportional to 171,656.40, 256,966.20 and 150,920.40 is: 225,924.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,656.40 : 256,966.20 = 150,920.40 : x
  2. Step 2: Convert to fraction form
    171,656.40/256,966.20 = 150,920.40/x
  3. Step 3: Cross multiply
    171,656.40x = 256,966.20 × 150,920.40
  4. Step 4: Simplify right side
    171,656.40x = 38,781,441,690.48
  5. Step 5: Solve for x
    x = 38,781,441,690.48/171,656.40
  6. Step 6: Final answer
    x = 225,924.82

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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.