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Finding the Fourth Proportional to 181,167.20, 270,530.81 and 147,953.15

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Solution

The fourth proportional to 181,167.20, 270,530.81 and 147,953.15 is: 220,933.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,167.20 : 270,530.81 = 147,953.15 : x
  2. Step 2: Convert to fraction form
    181,167.20/270,530.81 = 147,953.15/x
  3. Step 3: Cross multiply
    181,167.20x = 270,530.81 × 147,953.15
  4. Step 4: Simplify right side
    181,167.20x = 40,025,883,419.13
  5. Step 5: Solve for x
    x = 40,025,883,419.13/181,167.20
  6. Step 6: Final answer
    x = 220,933.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.