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Finding the Fourth Proportional to 181,785.79, 272,734.37 and 93,101.59

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Solution

The fourth proportional to 181,785.79, 272,734.37 and 93,101.59 is: 139,680.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,785.79 : 272,734.37 = 93,101.59 : x
  2. Step 2: Convert to fraction form
    181,785.79/272,734.37 = 93,101.59/x
  3. Step 3: Cross multiply
    181,785.79x = 272,734.37 × 93,101.59
  4. Step 4: Simplify right side
    181,785.79x = 25,392,003,494.65
  5. Step 5: Solve for x
    x = 25,392,003,494.65/181,785.79
  6. Step 6: Final answer
    x = 139,680.90

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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.