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Finding the Fourth Proportional to 181,927.80, 272,891.70 and 132,355.80

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Solution

The fourth proportional to 181,927.80, 272,891.70 and 132,355.80 is: 198,533.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,927.80 : 272,891.70 = 132,355.80 : x
  2. Step 2: Convert to fraction form
    181,927.80/272,891.70 = 132,355.80/x
  3. Step 3: Cross multiply
    181,927.80x = 272,891.70 × 132,355.80
  4. Step 4: Simplify right side
    181,927.80x = 36,118,799,266.86
  5. Step 5: Solve for x
    x = 36,118,799,266.86/181,927.80
  6. Step 6: Final answer
    x = 198,533.70

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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.