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Finding the Fourth Proportional to 171,520.60, 256,935.30 and 97,562.20

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Solution

The fourth proportional to 171,520.60, 256,935.30 and 97,562.20 is: 146,146.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,520.60 : 256,935.30 = 97,562.20 : x
  2. Step 2: Convert to fraction form
    171,520.60/256,935.30 = 97,562.20/x
  3. Step 3: Cross multiply
    171,520.60x = 256,935.30 × 97,562.20
  4. Step 4: Simplify right side
    171,520.60x = 25,067,173,125.66
  5. Step 5: Solve for x
    x = 25,067,173,125.66/171,520.60
  6. Step 6: Final answer
    x = 146,146.72

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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.