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Finding the Fourth Proportional to 103,160.89, 154,764.68 and 36,601.10

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Solution

The fourth proportional to 103,160.89, 154,764.68 and 36,601.10 is: 54,909.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,160.89 : 154,764.68 = 36,601.10 : x
  2. Step 2: Convert to fraction form
    103,160.89/154,764.68 = 36,601.10/x
  3. Step 3: Cross multiply
    103,160.89x = 154,764.68 × 36,601.10
  4. Step 4: Simplify right side
    103,160.89x = 5,664,557,152.69
  5. Step 5: Solve for x
    x = 5,664,557,152.69/103,160.89
  6. Step 6: Final answer
    x = 54,909.93

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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.