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Finding the Fourth Proportional to 70,181.04, 96,849.66 and 38,349.86

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Solution

The fourth proportional to 70,181.04, 96,849.66 and 38,349.86 is: 52,922.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,181.04 : 96,849.66 = 38,349.86 : x
  2. Step 2: Convert to fraction form
    70,181.04/96,849.66 = 38,349.86/x
  3. Step 3: Cross multiply
    70,181.04x = 96,849.66 × 38,349.86
  4. Step 4: Simplify right side
    70,181.04x = 3,714,170,902.05
  5. Step 5: Solve for x
    x = 3,714,170,902.05/70,181.04
  6. Step 6: Final answer
    x = 52,922.71

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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.