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Finding the Fourth Proportional to 144,003.70, 216,005.55 and 44,163.10

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Solution

The fourth proportional to 144,003.70, 216,005.55 and 44,163.10 is: 66,244.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,003.70 : 216,005.55 = 44,163.10 : x
  2. Step 2: Convert to fraction form
    144,003.70/216,005.55 = 44,163.10/x
  3. Step 3: Cross multiply
    144,003.70x = 216,005.55 × 44,163.10
  4. Step 4: Simplify right side
    144,003.70x = 9,539,474,705.21
  5. Step 5: Solve for x
    x = 9,539,474,705.21/144,003.70
  6. Step 6: Final answer
    x = 66,244.65

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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.