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Finding the Fourth Proportional to 181,654.53, 250,717.94 and 120,292.56

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Solution

The fourth proportional to 181,654.53, 250,717.94 and 120,292.56 is: 166,026.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,654.53 : 250,717.94 = 120,292.56 : x
  2. Step 2: Convert to fraction form
    181,654.53/250,717.94 = 120,292.56/x
  3. Step 3: Cross multiply
    181,654.53x = 250,717.94 × 120,292.56
  4. Step 4: Simplify right side
    181,654.53x = 30,159,502,239.06
  5. Step 5: Solve for x
    x = 30,159,502,239.06/181,654.53
  6. Step 6: Final answer
    x = 166,026.70

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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.