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Finding the Fourth Proportional to 79,193.98, 109,200.09 and 50,468.11

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Solution

The fourth proportional to 79,193.98, 109,200.09 and 50,468.11 is: 69,590.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,193.98 : 109,200.09 = 50,468.11 : x
  2. Step 2: Convert to fraction form
    79,193.98/109,200.09 = 50,468.11/x
  3. Step 3: Cross multiply
    79,193.98x = 109,200.09 × 50,468.11
  4. Step 4: Simplify right side
    79,193.98x = 5,511,121,881.13
  5. Step 5: Solve for x
    x = 5,511,121,881.13/79,193.98
  6. Step 6: Final answer
    x = 69,590.16

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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.