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Finding the Fourth Proportional to 135,263.70, 202,723.02 and 64,186.20

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Solution

The fourth proportional to 135,263.70, 202,723.02 and 64,186.20 is: 96,197.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,263.70 : 202,723.02 = 64,186.20 : x
  2. Step 2: Convert to fraction form
    135,263.70/202,723.02 = 64,186.20/x
  3. Step 3: Cross multiply
    135,263.70x = 202,723.02 × 64,186.20
  4. Step 4: Simplify right side
    135,263.70x = 13,012,020,306.32
  5. Step 5: Solve for x
    x = 13,012,020,306.32/135,263.70
  6. Step 6: Final answer
    x = 96,197.43

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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.