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Finding the Fourth Proportional to 181,304.65, 250,194.99 and 99,633.16

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Solution

The fourth proportional to 181,304.65, 250,194.99 and 99,633.16 is: 137,490.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,304.65 : 250,194.99 = 99,633.16 : x
  2. Step 2: Convert to fraction form
    181,304.65/250,194.99 = 99,633.16/x
  3. Step 3: Cross multiply
    181,304.65x = 250,194.99 × 99,633.16
  4. Step 4: Simplify right side
    181,304.65x = 24,927,717,469.87
  5. Step 5: Solve for x
    x = 24,927,717,469.87/181,304.65
  6. Step 6: Final answer
    x = 137,490.78

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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.