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Finding the Fourth Proportional to 348,565.86, 522,793.98 and 95,865.30

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Solution

The fourth proportional to 348,565.86, 522,793.98 and 95,865.30 is: 143,782.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,565.86 : 522,793.98 = 95,865.30 : x
  2. Step 2: Convert to fraction form
    348,565.86/522,793.98 = 95,865.30/x
  3. Step 3: Cross multiply
    348,565.86x = 522,793.98 × 95,865.30
  4. Step 4: Simplify right side
    348,565.86x = 50,117,801,730.89
  5. Step 5: Solve for x
    x = 50,117,801,730.89/348,565.86
  6. Step 6: Final answer
    x = 143,782.88

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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.