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Finding the Fourth Proportional to 200,648.55, 276,715.65 and 132,734.91

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Solution

The fourth proportional to 200,648.55, 276,715.65 and 132,734.91 is: 183,055.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,648.55 : 276,715.65 = 132,734.91 : x
  2. Step 2: Convert to fraction form
    200,648.55/276,715.65 = 132,734.91/x
  3. Step 3: Cross multiply
    200,648.55x = 276,715.65 × 132,734.91
  4. Step 4: Simplify right side
    200,648.55x = 36,729,826,898.34
  5. Step 5: Solve for x
    x = 36,729,826,898.34/200,648.55
  6. Step 6: Final answer
    x = 183,055.53

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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.