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Finding the Fourth Proportional to 199,520.70, 298,877.85 and 124,410.30

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Solution

The fourth proportional to 199,520.70, 298,877.85 and 124,410.30 is: 186,364.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,520.70 : 298,877.85 = 124,410.30 : x
  2. Step 2: Convert to fraction form
    199,520.70/298,877.85 = 124,410.30/x
  3. Step 3: Cross multiply
    199,520.70x = 298,877.85 × 124,410.30
  4. Step 4: Simplify right side
    199,520.70x = 37,183,482,981.86
  5. Step 5: Solve for x
    x = 37,183,482,981.86/199,520.70
  6. Step 6: Final answer
    x = 186,364.04

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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.