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Finding the Fourth Proportional to 270,781.92, 373,720.32 and 168,823.92

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Solution

The fourth proportional to 270,781.92, 373,720.32 and 168,823.92 is: 233,002.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,781.92 : 373,720.32 = 168,823.92 : x
  2. Step 2: Convert to fraction form
    270,781.92/373,720.32 = 168,823.92/x
  3. Step 3: Cross multiply
    270,781.92x = 373,720.32 × 168,823.92
  4. Step 4: Simplify right side
    270,781.92x = 63,092,929,406.05
  5. Step 5: Solve for x
    x = 63,092,929,406.05/270,781.92
  6. Step 6: Final answer
    x = 233,002.74

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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.