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Finding the Fourth Proportional to 144,084.42, 216,143.87 and 44,231.49

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Solution

The fourth proportional to 144,084.42, 216,143.87 and 44,231.49 is: 66,352.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,084.42 : 216,143.87 = 44,231.49 : x
  2. Step 2: Convert to fraction form
    144,084.42/216,143.87 = 44,231.49/x
  3. Step 3: Cross multiply
    144,084.42x = 216,143.87 × 44,231.49
  4. Step 4: Simplify right side
    144,084.42x = 9,560,365,203.31
  5. Step 5: Solve for x
    x = 9,560,365,203.31/144,084.42
  6. Step 6: Final answer
    x = 66,352.53

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1.5x scale

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.