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Finding the Fourth Proportional to 144,387.41, 216,566.84 and 44,520.65

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Solution

The fourth proportional to 144,387.41, 216,566.84 and 44,520.65 is: 66,776.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,387.41 : 216,566.84 = 44,520.65 : x
  2. Step 2: Convert to fraction form
    144,387.41/216,566.84 = 44,520.65/x
  3. Step 3: Cross multiply
    144,387.41x = 216,566.84 × 44,520.65
  4. Step 4: Simplify right side
    144,387.41x = 9,641,696,262.64
  5. Step 5: Solve for x
    x = 9,641,696,262.64/144,387.41
  6. Step 6: Final answer
    x = 66,776.57

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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.