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Finding the Fourth Proportional to 78,760.41, 118,124.50 and 22,585.47

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Solution

The fourth proportional to 78,760.41, 118,124.50 and 22,585.47 is: 33,873.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,760.41 : 118,124.50 = 22,585.47 : x
  2. Step 2: Convert to fraction form
    78,760.41/118,124.50 = 22,585.47/x
  3. Step 3: Cross multiply
    78,760.41x = 118,124.50 × 22,585.47
  4. Step 4: Simplify right side
    78,760.41x = 2,667,897,351.02
  5. Step 5: Solve for x
    x = 2,667,897,351.02/78,760.41
  6. Step 6: Final answer
    x = 33,873.58

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.