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Finding the Fourth Proportional to 179,860.92, 270,097.54 and 172,337.64

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Solution

The fourth proportional to 179,860.92, 270,097.54 and 172,337.64 is: 258,799.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,860.92 : 270,097.54 = 172,337.64 : x
  2. Step 2: Convert to fraction form
    179,860.92/270,097.54 = 172,337.64/x
  3. Step 3: Cross multiply
    179,860.92x = 270,097.54 × 172,337.64
  4. Step 4: Simplify right side
    179,860.92x = 46,547,972,613.41
  5. Step 5: Solve for x
    x = 46,547,972,613.41/179,860.92
  6. Step 6: Final answer
    x = 258,799.81

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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.