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Finding the Fourth Proportional to 80,292.69, 110,819.42 and 46,323.12

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Solution

The fourth proportional to 80,292.69, 110,819.42 and 46,323.12 is: 63,934.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,292.69 : 110,819.42 = 46,323.12 : x
  2. Step 2: Convert to fraction form
    80,292.69/110,819.42 = 46,323.12/x
  3. Step 3: Cross multiply
    80,292.69x = 110,819.42 × 46,323.12
  4. Step 4: Simplify right side
    80,292.69x = 5,133,501,290.99
  5. Step 5: Solve for x
    x = 5,133,501,290.99/80,292.69
  6. Step 6: Final answer
    x = 63,934.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.