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Finding the Fourth Proportional to 169,478.20, 254,238.90 and 64,327.24

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Solution

The fourth proportional to 169,478.20, 254,238.90 and 64,327.24 is: 96,499.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,478.20 : 254,238.90 = 64,327.24 : x
  2. Step 2: Convert to fraction form
    169,478.20/254,238.90 = 64,327.24/x
  3. Step 3: Cross multiply
    169,478.20x = 254,238.90 × 64,327.24
  4. Step 4: Simplify right side
    169,478.20x = 16,354,486,737.64
  5. Step 5: Solve for x
    x = 16,354,486,737.64/169,478.20
  6. Step 6: Final answer
    x = 96,499.06

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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.