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Finding the Fourth Proportional to 207,593.84, 286,500.66 and 127,074.57

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Solution

The fourth proportional to 207,593.84, 286,500.66 and 127,074.57 is: 175,375.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,593.84 : 286,500.66 = 127,074.57 : x
  2. Step 2: Convert to fraction form
    207,593.84/286,500.66 = 127,074.57/x
  3. Step 3: Cross multiply
    207,593.84x = 286,500.66 × 127,074.57
  4. Step 4: Simplify right side
    207,593.84x = 36,406,949,725.12
  5. Step 5: Solve for x
    x = 36,406,949,725.12/207,593.84
  6. Step 6: Final answer
    x = 175,375.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.