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Finding the Fourth Proportional to 185,480.71, 278,241.47 and 59,091.55

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Solution

The fourth proportional to 185,480.71, 278,241.47 and 59,091.55 is: 88,643.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,480.71 : 278,241.47 = 59,091.55 : x
  2. Step 2: Convert to fraction form
    185,480.71/278,241.47 = 59,091.55/x
  3. Step 3: Cross multiply
    185,480.71x = 278,241.47 × 59,091.55
  4. Step 4: Simplify right side
    185,480.71x = 16,441,719,736.58
  5. Step 5: Solve for x
    x = 16,441,719,736.58/185,480.71
  6. Step 6: Final answer
    x = 88,643.83

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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.