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Finding the Fourth Proportional to 198,752.76, 274,253.85 and 134,362.07

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Solution

The fourth proportional to 198,752.76, 274,253.85 and 134,362.07 is: 185,402.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,752.76 : 274,253.85 = 134,362.07 : x
  2. Step 2: Convert to fraction form
    198,752.76/274,253.85 = 134,362.07/x
  3. Step 3: Cross multiply
    198,752.76x = 274,253.85 × 134,362.07
  4. Step 4: Simplify right side
    198,752.76x = 36,849,313,620.20
  5. Step 5: Solve for x
    x = 36,849,313,620.20/198,752.76
  6. Step 6: Final answer
    x = 185,402.78

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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.