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Finding the Fourth Proportional to 79,681.08, 110,034.54 and 49,924.92

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Solution

The fourth proportional to 79,681.08, 110,034.54 and 49,924.92 is: 68,943.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,681.08 : 110,034.54 = 49,924.92 : x
  2. Step 2: Convert to fraction form
    79,681.08/110,034.54 = 49,924.92/x
  3. Step 3: Cross multiply
    79,681.08x = 110,034.54 × 49,924.92
  4. Step 4: Simplify right side
    79,681.08x = 5,493,465,606.74
  5. Step 5: Solve for x
    x = 5,493,465,606.74/79,681.08
  6. Step 6: Final answer
    x = 68,943.16

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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.