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Finding the Fourth Proportional to 143,269.70, 214,904.55 and 44,773.70

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Solution

The fourth proportional to 143,269.70, 214,904.55 and 44,773.70 is: 67,160.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,269.70 : 214,904.55 = 44,773.70 : x
  2. Step 2: Convert to fraction form
    143,269.70/214,904.55 = 44,773.70/x
  3. Step 3: Cross multiply
    143,269.70x = 214,904.55 × 44,773.70
  4. Step 4: Simplify right side
    143,269.70x = 9,622,071,850.34
  5. Step 5: Solve for x
    x = 9,622,071,850.34/143,269.70
  6. Step 6: Final answer
    x = 67,160.55

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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.