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Finding the Fourth Proportional to 203,065.92, 304,611.84 and 62,830.08

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Solution

The fourth proportional to 203,065.92, 304,611.84 and 62,830.08 is: 94,249.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,065.92 : 304,611.84 = 62,830.08 : x
  2. Step 2: Convert to fraction form
    203,065.92/304,611.84 = 62,830.08/x
  3. Step 3: Cross multiply
    203,065.92x = 304,611.84 × 62,830.08
  4. Step 4: Simplify right side
    203,065.92x = 19,138,786,276.15
  5. Step 5: Solve for x
    x = 19,138,786,276.15/203,065.92
  6. Step 6: Final answer
    x = 94,249.13

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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.