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Finding the Fourth Proportional to 181,827.88, 250,793.22 and 121,368.04

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Solution

The fourth proportional to 181,827.88, 250,793.22 and 121,368.04 is: 167,401.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,827.88 : 250,793.22 = 121,368.04 : x
  2. Step 2: Convert to fraction form
    181,827.88/250,793.22 = 121,368.04/x
  3. Step 3: Cross multiply
    181,827.88x = 250,793.22 × 121,368.04
  4. Step 4: Simplify right side
    181,827.88x = 30,438,281,556.69
  5. Step 5: Solve for x
    x = 30,438,281,556.69/181,827.88
  6. Step 6: Final answer
    x = 167,401.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.