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Finding the Fourth Proportional to 103,480.60, 155,257.35 and 50,854.90

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Solution

The fourth proportional to 103,480.60, 155,257.35 and 50,854.90 is: 76,300.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,480.60 : 155,257.35 = 50,854.90 : x
  2. Step 2: Convert to fraction form
    103,480.60/155,257.35 = 50,854.90/x
  3. Step 3: Cross multiply
    103,480.60x = 155,257.35 × 50,854.90
  4. Step 4: Simplify right side
    103,480.60x = 7,895,597,008.52
  5. Step 5: Solve for x
    x = 7,895,597,008.52/103,480.60
  6. Step 6: Final answer
    x = 76,300.26

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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.