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Finding the Fourth Proportional to 153,286.57, 231,369.66 and 153,286.57

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Solution

The fourth proportional to 153,286.57, 231,369.66 and 153,286.57 is: 231,369.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,286.57 : 231,369.66 = 153,286.57 : x
  2. Step 2: Convert to fraction form
    153,286.57/231,369.66 = 153,286.57/x
  3. Step 3: Cross multiply
    153,286.57x = 231,369.66 × 153,286.57
  4. Step 4: Simplify right side
    153,286.57x = 35,465,861,872.68
  5. Step 5: Solve for x
    x = 35,465,861,872.68/153,286.57
  6. Step 6: Final answer
    x = 231,369.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.