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Finding the Fourth Proportional to 79,825.83, 110,149.51 and 49,616.07

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Solution

The fourth proportional to 79,825.83, 110,149.51 and 49,616.07 is: 68,463.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,825.83 : 110,149.51 = 49,616.07 : x
  2. Step 2: Convert to fraction form
    79,825.83/110,149.51 = 49,616.07/x
  3. Step 3: Cross multiply
    79,825.83x = 110,149.51 × 49,616.07
  4. Step 4: Simplify right side
    79,825.83x = 5,465,185,798.63
  5. Step 5: Solve for x
    x = 5,465,185,798.63/79,825.83
  6. Step 6: Final answer
    x = 68,463.88

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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.