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Finding the Fourth Proportional to 144,641.53, 217,019.40 and 44,809.51

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Solution

The fourth proportional to 144,641.53, 217,019.40 and 44,809.51 is: 67,231.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,641.53 : 217,019.40 = 44,809.51 : x
  2. Step 2: Convert to fraction form
    144,641.53/217,019.40 = 44,809.51/x
  3. Step 3: Cross multiply
    144,641.53x = 217,019.40 × 44,809.51
  4. Step 4: Simplify right side
    144,641.53x = 9,724,532,974.49
  5. Step 5: Solve for x
    x = 9,724,532,974.49/144,641.53
  6. Step 6: Final answer
    x = 67,231.96

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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.