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Finding the Fourth Proportional to 203,330.20, 304,703.70 and 149,602.90

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Solution

The fourth proportional to 203,330.20, 304,703.70 and 149,602.90 is: 224,189.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,330.20 : 304,703.70 = 149,602.90 : x
  2. Step 2: Convert to fraction form
    203,330.20/304,703.70 = 149,602.90/x
  3. Step 3: Cross multiply
    203,330.20x = 304,703.70 × 149,602.90
  4. Step 4: Simplify right side
    203,330.20x = 45,584,557,160.73
  5. Step 5: Solve for x
    x = 45,584,557,160.73/203,330.20
  6. Step 6: Final answer
    x = 224,189.80

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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.