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Finding the Fourth Proportional to 203,150.40, 304,774.20 and 97,882.80

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Solution

The fourth proportional to 203,150.40, 304,774.20 and 97,882.80 is: 146,847.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,150.40 : 304,774.20 = 97,882.80 : x
  2. Step 2: Convert to fraction form
    203,150.40/304,774.20 = 97,882.80/x
  3. Step 3: Cross multiply
    203,150.40x = 304,774.20 × 97,882.80
  4. Step 4: Simplify right side
    203,150.40x = 29,832,152,063.76
  5. Step 5: Solve for x
    x = 29,832,152,063.76/203,150.40
  6. Step 6: Final answer
    x = 146,847.62

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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.