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Finding the Fourth Proportional to 144,645.75, 216,979.56 and 44,816.02

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Solution

The fourth proportional to 144,645.75, 216,979.56 and 44,816.02 is: 67,227.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,645.75 : 216,979.56 = 44,816.02 : x
  2. Step 2: Convert to fraction form
    144,645.75/216,979.56 = 44,816.02/x
  3. Step 3: Cross multiply
    144,645.75x = 216,979.56 × 44,816.02
  4. Step 4: Simplify right side
    144,645.75x = 9,724,159,758.10
  5. Step 5: Solve for x
    x = 9,724,159,758.10/144,645.75
  6. Step 6: Final answer
    x = 67,227.41

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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.