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Finding the Fourth Proportional to 80,407.97, 110,890.36 and 50,196.08

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Solution

The fourth proportional to 80,407.97, 110,890.36 and 50,196.08 is: 69,225.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,407.97 : 110,890.36 = 50,196.08 : x
  2. Step 2: Convert to fraction form
    80,407.97/110,890.36 = 50,196.08/x
  3. Step 3: Cross multiply
    80,407.97x = 110,890.36 × 50,196.08
  4. Step 4: Simplify right side
    80,407.97x = 5,566,261,721.76
  5. Step 5: Solve for x
    x = 5,566,261,721.76/80,407.97
  6. Step 6: Final answer
    x = 69,225.25

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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.