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Finding the Fourth Proportional to 135,011.80, 202,517.70 and 41,505.40

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Solution

The fourth proportional to 135,011.80, 202,517.70 and 41,505.40 is: 62,258.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,011.80 : 202,517.70 = 41,505.40 : x
  2. Step 2: Convert to fraction form
    135,011.80/202,517.70 = 41,505.40/x
  3. Step 3: Cross multiply
    135,011.80x = 202,517.70 × 41,505.40
  4. Step 4: Simplify right side
    135,011.80x = 8,405,578,145.58
  5. Step 5: Solve for x
    x = 8,405,578,145.58/135,011.80
  6. Step 6: Final answer
    x = 62,258.10

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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.