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Finding the Fourth Proportional to 78,863.52, 118,300.95 and 24,823.56

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Solution

The fourth proportional to 78,863.52, 118,300.95 and 24,823.56 is: 37,237.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,863.52 : 118,300.95 = 24,823.56 : x
  2. Step 2: Convert to fraction form
    78,863.52/118,300.95 = 24,823.56/x
  3. Step 3: Cross multiply
    78,863.52x = 118,300.95 × 24,823.56
  4. Step 4: Simplify right side
    78,863.52x = 2,936,650,730.38
  5. Step 5: Solve for x
    x = 2,936,650,730.38/78,863.52
  6. Step 6: Final answer
    x = 37,237.12

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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.