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Finding the Fourth Proportional to 200,479.59, 276,655.23 and 119,865.56

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Solution

The fourth proportional to 200,479.59, 276,655.23 and 119,865.56 is: 165,410.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,479.59 : 276,655.23 = 119,865.56 : x
  2. Step 2: Convert to fraction form
    200,479.59/276,655.23 = 119,865.56/x
  3. Step 3: Cross multiply
    200,479.59x = 276,655.23 × 119,865.56
  4. Step 4: Simplify right side
    200,479.59x = 33,161,432,687.60
  5. Step 5: Solve for x
    x = 33,161,432,687.60/200,479.59
  6. Step 6: Final answer
    x = 165,410.52

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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.