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Finding the Fourth Proportional to 144,379.76, 216,570.65 and 44,537.74

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Solution

The fourth proportional to 144,379.76, 216,570.65 and 44,537.74 is: 66,806.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,379.76 : 216,570.65 = 44,537.74 : x
  2. Step 2: Convert to fraction form
    144,379.76/216,570.65 = 44,537.74/x
  3. Step 3: Cross multiply
    144,379.76x = 216,570.65 × 44,537.74
  4. Step 4: Simplify right side
    144,379.76x = 9,645,566,537.22
  5. Step 5: Solve for x
    x = 9,645,566,537.22/144,379.76
  6. Step 6: Final answer
    x = 66,806.92

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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.