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Finding the Fourth Proportional to 199,103.76, 274,763.07 and 109,679.76

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Solution

The fourth proportional to 199,103.76, 274,763.07 and 109,679.76 is: 151,358.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,103.76 : 274,763.07 = 109,679.76 : x
  2. Step 2: Convert to fraction form
    199,103.76/274,763.07 = 109,679.76/x
  3. Step 3: Cross multiply
    199,103.76x = 274,763.07 × 109,679.76
  4. Step 4: Simplify right side
    199,103.76x = 30,135,947,574.46
  5. Step 5: Solve for x
    x = 30,135,947,574.46/199,103.76
  6. Step 6: Final answer
    x = 151,358.00

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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.