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Finding the Fourth Proportional to 203,228.76, 304,843.17 and 84,835.52

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Solution

The fourth proportional to 203,228.76, 304,843.17 and 84,835.52 is: 127,253.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,228.76 : 304,843.17 = 84,835.52 : x
  2. Step 2: Convert to fraction form
    203,228.76/304,843.17 = 84,835.52/x
  3. Step 3: Cross multiply
    203,228.76x = 304,843.17 × 84,835.52
  4. Step 4: Simplify right side
    203,228.76x = 25,861,528,845.40
  5. Step 5: Solve for x
    x = 25,861,528,845.40/203,228.76
  6. Step 6: Final answer
    x = 127,253.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.