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Finding the Fourth Proportional to 181,469.51, 272,204.71 and 55,110.72

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Solution

The fourth proportional to 181,469.51, 272,204.71 and 55,110.72 is: 82,666.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,469.51 : 272,204.71 = 55,110.72 : x
  2. Step 2: Convert to fraction form
    181,469.51/272,204.71 = 55,110.72/x
  3. Step 3: Cross multiply
    181,469.51x = 272,204.71 × 55,110.72
  4. Step 4: Simplify right side
    181,469.51x = 15,001,397,624.38
  5. Step 5: Solve for x
    x = 15,001,397,624.38/181,469.51
  6. Step 6: Final answer
    x = 82,666.21

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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.