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Finding the Fourth Proportional to 181,813.20, 272,671.20 and 63,472.20

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Solution

The fourth proportional to 181,813.20, 272,671.20 and 63,472.20 is: 95,191.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,813.20 : 272,671.20 = 63,472.20 : x
  2. Step 2: Convert to fraction form
    181,813.20/272,671.20 = 63,472.20/x
  3. Step 3: Cross multiply
    181,813.20x = 272,671.20 × 63,472.20
  4. Step 4: Simplify right side
    181,813.20x = 17,307,040,940.64
  5. Step 5: Solve for x
    x = 17,307,040,940.64/181,813.20
  6. Step 6: Final answer
    x = 95,191.33

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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.