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Finding the Fourth Proportional to 144,012.69, 216,012.92 and 44,167.59

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Solution

The fourth proportional to 144,012.69, 216,012.92 and 44,167.59 is: 66,249.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,012.69 : 216,012.92 = 44,167.59 : x
  2. Step 2: Convert to fraction form
    144,012.69/216,012.92 = 44,167.59/x
  3. Step 3: Cross multiply
    144,012.69x = 216,012.92 × 44,167.59
  4. Step 4: Simplify right side
    144,012.69x = 9,540,769,864.42
  5. Step 5: Solve for x
    x = 9,540,769,864.42/144,012.69
  6. Step 6: Final answer
    x = 66,249.51

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1.5x scale

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.