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Finding the Fourth Proportional to 98,847.95, 136,404.78 and 58,565.44

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Solution

The fourth proportional to 98,847.95, 136,404.78 and 58,565.44 is: 80,817.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,847.95 : 136,404.78 = 58,565.44 : x
  2. Step 2: Convert to fraction form
    98,847.95/136,404.78 = 58,565.44/x
  3. Step 3: Cross multiply
    98,847.95x = 136,404.78 × 58,565.44
  4. Step 4: Simplify right side
    98,847.95x = 7,988,605,958.80
  5. Step 5: Solve for x
    x = 7,988,605,958.80/98,847.95
  6. Step 6: Final answer
    x = 80,817.11

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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.