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Finding the Fourth Proportional to 199,614.67, 275,468.87 and 127,994.97

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Solution

The fourth proportional to 199,614.67, 275,468.87 and 127,994.97 is: 176,633.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,614.67 : 275,468.87 = 127,994.97 : x
  2. Step 2: Convert to fraction form
    199,614.67/275,468.87 = 127,994.97/x
  3. Step 3: Cross multiply
    199,614.67x = 275,468.87 × 127,994.97
  4. Step 4: Simplify right side
    199,614.67x = 35,258,630,384.61
  5. Step 5: Solve for x
    x = 35,258,630,384.61/199,614.67
  6. Step 6: Final answer
    x = 176,633.46

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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.