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Finding the Fourth Proportional to 181,610.64, 250,657.20 and 113,659.20

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Solution

The fourth proportional to 181,610.64, 250,657.20 and 113,659.20 is: 156,871.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,610.64 : 250,657.20 = 113,659.20 : x
  2. Step 2: Convert to fraction form
    181,610.64/250,657.20 = 113,659.20/x
  3. Step 3: Cross multiply
    181,610.64x = 250,657.20 × 113,659.20
  4. Step 4: Simplify right side
    181,610.64x = 28,489,496,826.24
  5. Step 5: Solve for x
    x = 28,489,496,826.24/181,610.64
  6. Step 6: Final answer
    x = 156,871.30

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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.