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Finding the Fourth Proportional to 292,833.92, 439,355.52 and 115,242.56

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Solution

The fourth proportional to 292,833.92, 439,355.52 and 115,242.56 is: 172,905.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,833.92 : 439,355.52 = 115,242.56 : x
  2. Step 2: Convert to fraction form
    292,833.92/439,355.52 = 115,242.56/x
  3. Step 3: Cross multiply
    292,833.92x = 439,355.52 × 115,242.56
  4. Step 4: Simplify right side
    292,833.92x = 50,632,454,874.93
  5. Step 5: Solve for x
    x = 50,632,454,874.93/292,833.92
  6. Step 6: Final answer
    x = 172,905.02

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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.