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Finding the Fourth Proportional to 144,950.63, 217,487.88 and 74,879.15

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Solution

The fourth proportional to 144,950.63, 217,487.88 and 74,879.15 is: 112,350.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,950.63 : 217,487.88 = 74,879.15 : x
  2. Step 2: Convert to fraction form
    144,950.63/217,487.88 = 74,879.15/x
  3. Step 3: Cross multiply
    144,950.63x = 217,487.88 × 74,879.15
  4. Step 4: Simplify right side
    144,950.63x = 16,285,306,502.26
  5. Step 5: Solve for x
    x = 16,285,306,502.26/144,950.63
  6. Step 6: Final answer
    x = 112,350.72

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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.