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Finding the Fourth Proportional to 207,593.31, 286,499.93 and 127,074.05

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Solution

The fourth proportional to 207,593.31, 286,499.93 and 127,074.05 is: 175,375.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,593.31 : 286,499.93 = 127,074.05 : x
  2. Step 2: Convert to fraction form
    207,593.31/286,499.93 = 127,074.05/x
  3. Step 3: Cross multiply
    207,593.31x = 286,499.93 × 127,074.05
  4. Step 4: Simplify right side
    207,593.31x = 36,406,704,361.95
  5. Step 5: Solve for x
    x = 36,406,704,361.95/207,593.31
  6. Step 6: Final answer
    x = 175,375.13

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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.