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Finding the Fourth Proportional to 272,761.29, 376,383.65 and 151,913.85

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Solution

The fourth proportional to 272,761.29, 376,383.65 and 151,913.85 is: 209,626.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,761.29 : 376,383.65 = 151,913.85 : x
  2. Step 2: Convert to fraction form
    272,761.29/376,383.65 = 151,913.85/x
  3. Step 3: Cross multiply
    272,761.29x = 376,383.65 × 151,913.85
  4. Step 4: Simplify right side
    272,761.29x = 57,177,887,177.54
  5. Step 5: Solve for x
    x = 57,177,887,177.54/272,761.29
  6. Step 6: Final answer
    x = 209,626.11

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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.