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Finding the Fourth Proportional to 203,063.20, 304,623.60 and 62,807.20

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Solution

The fourth proportional to 203,063.20, 304,623.60 and 62,807.20 is: 94,219.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,063.20 : 304,623.60 = 62,807.20 : x
  2. Step 2: Convert to fraction form
    203,063.20/304,623.60 = 62,807.20/x
  3. Step 3: Cross multiply
    203,063.20x = 304,623.60 × 62,807.20
  4. Step 4: Simplify right side
    203,063.20x = 19,132,555,369.92
  5. Step 5: Solve for x
    x = 19,132,555,369.92/203,063.20
  6. Step 6: Final answer
    x = 94,219.71

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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.