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Finding the Fourth Proportional to 181,232.52, 250,107.96 and 100,666.12

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Solution

The fourth proportional to 181,232.52, 250,107.96 and 100,666.12 is: 138,923.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,232.52 : 250,107.96 = 100,666.12 : x
  2. Step 2: Convert to fraction form
    181,232.52/250,107.96 = 100,666.12/x
  3. Step 3: Cross multiply
    181,232.52x = 250,107.96 × 100,666.12
  4. Step 4: Simplify right side
    181,232.52x = 25,177,397,914.32
  5. Step 5: Solve for x
    x = 25,177,397,914.32/181,232.52
  6. Step 6: Final answer
    x = 138,923.18

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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.