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Finding the Fourth Proportional to 238,305.08, 357,509.06 and 80,530.04

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Solution

The fourth proportional to 238,305.08, 357,509.06 and 80,530.04 is: 120,812.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,305.08 : 357,509.06 = 80,530.04 : x
  2. Step 2: Convert to fraction form
    238,305.08/357,509.06 = 80,530.04/x
  3. Step 3: Cross multiply
    238,305.08x = 357,509.06 × 80,530.04
  4. Step 4: Simplify right side
    238,305.08x = 28,790,218,902.16
  5. Step 5: Solve for x
    x = 28,790,218,902.16/238,305.08
  6. Step 6: Final answer
    x = 120,812.44

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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.