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Finding the Fourth Proportional to 200,237.53, 276,326.80 and 108,356.75

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Solution

The fourth proportional to 200,237.53, 276,326.80 and 108,356.75 is: 149,531.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,237.53 : 276,326.80 = 108,356.75 : x
  2. Step 2: Convert to fraction form
    200,237.53/276,326.80 = 108,356.75/x
  3. Step 3: Cross multiply
    200,237.53x = 276,326.80 × 108,356.75
  4. Step 4: Simplify right side
    200,237.53x = 29,941,873,850.45
  5. Step 5: Solve for x
    x = 29,941,873,850.45/200,237.53
  6. Step 6: Final answer
    x = 149,531.78

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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.