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Finding the Fourth Proportional to 103,079.38, 154,616.64 and 32,959.30

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Solution

The fourth proportional to 103,079.38, 154,616.64 and 32,959.30 is: 49,438.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,079.38 : 154,616.64 = 32,959.30 : x
  2. Step 2: Convert to fraction form
    103,079.38/154,616.64 = 32,959.30/x
  3. Step 3: Cross multiply
    103,079.38x = 154,616.64 × 32,959.30
  4. Step 4: Simplify right side
    103,079.38x = 5,096,056,222.75
  5. Step 5: Solve for x
    x = 5,096,056,222.75/103,079.38
  6. Step 6: Final answer
    x = 49,438.17

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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.