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Finding the Fourth Proportional to 235,081.03, 324,411.82 and 134,479.03

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Solution

The fourth proportional to 235,081.03, 324,411.82 and 134,479.03 is: 185,581.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,081.03 : 324,411.82 = 134,479.03 : x
  2. Step 2: Convert to fraction form
    235,081.03/324,411.82 = 134,479.03/x
  3. Step 3: Cross multiply
    235,081.03x = 324,411.82 × 134,479.03
  4. Step 4: Simplify right side
    235,081.03x = 43,626,586,874.13
  5. Step 5: Solve for x
    x = 43,626,586,874.13/235,081.03
  6. Step 6: Final answer
    x = 185,581.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.