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Finding the Fourth Proportional to 181,238.62, 250,008.48 and 168,409.30

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Solution

The fourth proportional to 181,238.62, 250,008.48 and 168,409.30 is: 232,311.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,238.62 : 250,008.48 = 168,409.30 : x
  2. Step 2: Convert to fraction form
    181,238.62/250,008.48 = 168,409.30/x
  3. Step 3: Cross multiply
    181,238.62x = 250,008.48 × 168,409.30
  4. Step 4: Simplify right side
    181,238.62x = 42,103,753,110.86
  5. Step 5: Solve for x
    x = 42,103,753,110.86/181,238.62
  6. Step 6: Final answer
    x = 232,311.15

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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.