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Finding the Fourth Proportional to 107,594.53, 161,223.08 and 68,068.15

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Solution

The fourth proportional to 107,594.53, 161,223.08 and 68,068.15 is: 101,995.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,594.53 : 161,223.08 = 68,068.15 : x
  2. Step 2: Convert to fraction form
    107,594.53/161,223.08 = 68,068.15/x
  3. Step 3: Cross multiply
    107,594.53x = 161,223.08 × 68,068.15
  4. Step 4: Simplify right side
    107,594.53x = 10,974,156,049.50
  5. Step 5: Solve for x
    x = 10,974,156,049.50/107,594.53
  6. Step 6: Final answer
    x = 101,995.49

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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.