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Finding the Fourth Proportional to 181,902.06, 272,786.56 and 69,526.71

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Solution

The fourth proportional to 181,902.06, 272,786.56 and 69,526.71 is: 104,264.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,902.06 : 272,786.56 = 69,526.71 : x
  2. Step 2: Convert to fraction form
    181,902.06/272,786.56 = 69,526.71/x
  3. Step 3: Cross multiply
    181,902.06x = 272,786.56 × 69,526.71
  4. Step 4: Simplify right side
    181,902.06x = 18,965,952,049.02
  5. Step 5: Solve for x
    x = 18,965,952,049.02/181,902.06
  6. Step 6: Final answer
    x = 104,264.64

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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.