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Finding the Fourth Proportional to 134,299.80, 201,449.70 and 40,793.40

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Solution

The fourth proportional to 134,299.80, 201,449.70 and 40,793.40 is: 61,190.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,299.80 : 201,449.70 = 40,793.40 : x
  2. Step 2: Convert to fraction form
    134,299.80/201,449.70 = 40,793.40/x
  3. Step 3: Cross multiply
    134,299.80x = 201,449.70 × 40,793.40
  4. Step 4: Simplify right side
    134,299.80x = 8,217,818,191.98
  5. Step 5: Solve for x
    x = 8,217,818,191.98/134,299.80
  6. Step 6: Final answer
    x = 61,190.10

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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.