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Finding the Fourth Proportional to 207,593.78, 286,500.58 and 127,074.52

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Solution

The fourth proportional to 207,593.78, 286,500.58 and 127,074.52 is: 175,375.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,593.78 : 286,500.58 = 127,074.52 : x
  2. Step 2: Convert to fraction form
    207,593.78/286,500.58 = 127,074.52/x
  3. Step 3: Cross multiply
    207,593.78x = 286,500.58 × 127,074.52
  4. Step 4: Simplify right side
    207,593.78x = 36,406,922,250.72
  5. Step 5: Solve for x
    x = 36,406,922,250.72/207,593.78
  6. Step 6: Final answer
    x = 175,375.79

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1.5x scale

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.