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Finding the Fourth Proportional to 181,654.40, 272,222.40 and 133,896.80

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Solution

The fourth proportional to 181,654.40, 272,222.40 and 133,896.80 is: 200,654.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,654.40 : 272,222.40 = 133,896.80 : x
  2. Step 2: Convert to fraction form
    181,654.40/272,222.40 = 133,896.80/x
  3. Step 3: Cross multiply
    181,654.40x = 272,222.40 × 133,896.80
  4. Step 4: Simplify right side
    181,654.40x = 36,449,708,248.32
  5. Step 5: Solve for x
    x = 36,449,708,248.32/181,654.40
  6. Step 6: Final answer
    x = 200,654.14

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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.