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Finding the Fourth Proportional to 144,550.97, 216,733.93 and 69,521.69

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Solution

The fourth proportional to 144,550.97, 216,733.93 and 69,521.69 is: 104,238.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,550.97 : 216,733.93 = 69,521.69 : x
  2. Step 2: Convert to fraction form
    144,550.97/216,733.93 = 69,521.69/x
  3. Step 3: Cross multiply
    144,550.97x = 216,733.93 × 69,521.69
  4. Step 4: Simplify right side
    144,550.97x = 15,067,709,093.94
  5. Step 5: Solve for x
    x = 15,067,709,093.94/144,550.97
  6. Step 6: Final answer
    x = 104,238.04

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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.