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Finding the Fourth Proportional to 135,302.68, 202,955.40 and 60,426.64

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Solution

The fourth proportional to 135,302.68, 202,955.40 and 60,426.64 is: 90,640.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,302.68 : 202,955.40 = 60,426.64 : x
  2. Step 2: Convert to fraction form
    135,302.68/202,955.40 = 60,426.64/x
  3. Step 3: Cross multiply
    135,302.68x = 202,955.40 × 60,426.64
  4. Step 4: Simplify right side
    135,302.68x = 12,263,912,891.86
  5. Step 5: Solve for x
    x = 12,263,912,891.86/135,302.68
  6. Step 6: Final answer
    x = 90,640.58

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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.