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Finding the Fourth Proportional to 63,155.25, 87,154.25 and 34,860.95

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Solution

The fourth proportional to 63,155.25, 87,154.25 and 34,860.95 is: 48,108.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,155.25 : 87,154.25 = 34,860.95 : x
  2. Step 2: Convert to fraction form
    63,155.25/87,154.25 = 34,860.95/x
  3. Step 3: Cross multiply
    63,155.25x = 87,154.25 × 34,860.95
  4. Step 4: Simplify right side
    63,155.25x = 3,038,279,951.54
  5. Step 5: Solve for x
    x = 3,038,279,951.54/63,155.25
  6. Step 6: Final answer
    x = 48,108.11

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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.