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Finding the Fourth Proportional to 198,003.60, 296,713.80 and 168,260.40

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Solution

The fourth proportional to 198,003.60, 296,713.80 and 168,260.40 is: 252,142.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,003.60 : 296,713.80 = 168,260.40 : x
  2. Step 2: Convert to fraction form
    198,003.60/296,713.80 = 168,260.40/x
  3. Step 3: Cross multiply
    198,003.60x = 296,713.80 × 168,260.40
  4. Step 4: Simplify right side
    198,003.60x = 49,925,182,673.52
  5. Step 5: Solve for x
    x = 49,925,182,673.52/198,003.60
  6. Step 6: Final answer
    x = 252,142.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.