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Finding the Fourth Proportional to 232,697.35, 349,063.62 and 90,481.51

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Solution

The fourth proportional to 232,697.35, 349,063.62 and 90,481.51 is: 135,729.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,697.35 : 349,063.62 = 90,481.51 : x
  2. Step 2: Convert to fraction form
    232,697.35/349,063.62 = 90,481.51/x
  3. Step 3: Cross multiply
    232,697.35x = 349,063.62 × 90,481.51
  4. Step 4: Simplify right side
    232,697.35x = 31,583,803,423.67
  5. Step 5: Solve for x
    x = 31,583,803,423.67/232,697.35
  6. Step 6: Final answer
    x = 135,729.11

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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.