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Finding the Fourth Proportional to 103,466.60, 155,163.45 and 36,908.90

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Solution

The fourth proportional to 103,466.60, 155,163.45 and 36,908.90 is: 55,350.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,466.60 : 155,163.45 = 36,908.90 : x
  2. Step 2: Convert to fraction form
    103,466.60/155,163.45 = 36,908.90/x
  3. Step 3: Cross multiply
    103,466.60x = 155,163.45 × 36,908.90
  4. Step 4: Simplify right side
    103,466.60x = 5,726,912,259.71
  5. Step 5: Solve for x
    x = 5,726,912,259.71/103,466.60
  6. Step 6: Final answer
    x = 55,350.35

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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.