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Finding the Fourth Proportional to 147,196.53, 220,647.15 and 68,366.11

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Solution

The fourth proportional to 147,196.53, 220,647.15 and 68,366.11 is: 102,480.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,196.53 : 220,647.15 = 68,366.11 : x
  2. Step 2: Convert to fraction form
    147,196.53/220,647.15 = 68,366.11/x
  3. Step 3: Cross multiply
    147,196.53x = 220,647.15 × 68,366.11
  4. Step 4: Simplify right side
    147,196.53x = 15,084,787,328.09
  5. Step 5: Solve for x
    x = 15,084,787,328.09/147,196.53
  6. Step 6: Final answer
    x = 102,480.59

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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.