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Finding the Fourth Proportional to 181,717.65, 272,738.48 and 106,744.05

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Solution

The fourth proportional to 181,717.65, 272,738.48 and 106,744.05 is: 160,211.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,717.65 : 272,738.48 = 106,744.05 : x
  2. Step 2: Convert to fraction form
    181,717.65/272,738.48 = 106,744.05/x
  3. Step 3: Cross multiply
    181,717.65x = 272,738.48 × 106,744.05
  4. Step 4: Simplify right side
    181,717.65x = 29,113,209,412.32
  5. Step 5: Solve for x
    x = 29,113,209,412.32/181,717.65
  6. Step 6: Final answer
    x = 160,211.24

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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.