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Finding the Fourth Proportional to 179,859.92, 270,096.04 and 172,336.64

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Solution

The fourth proportional to 179,859.92, 270,096.04 and 172,336.64 is: 258,798.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,859.92 : 270,096.04 = 172,336.64 : x
  2. Step 2: Convert to fraction form
    179,859.92/270,096.04 = 172,336.64/x
  3. Step 3: Cross multiply
    179,859.92x = 270,096.04 × 172,336.64
  4. Step 4: Simplify right side
    179,859.92x = 46,547,444,010.91
  5. Step 5: Solve for x
    x = 46,547,444,010.91/179,859.92
  6. Step 6: Final answer
    x = 258,798.31

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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.