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Finding the Fourth Proportional to 232,537.78, 348,797.49 and 66,325.78

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Solution

The fourth proportional to 232,537.78, 348,797.49 and 66,325.78 is: 99,486.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,537.78 : 348,797.49 = 66,325.78 : x
  2. Step 2: Convert to fraction form
    232,537.78/348,797.49 = 66,325.78/x
  3. Step 3: Cross multiply
    232,537.78x = 348,797.49 × 66,325.78
  4. Step 4: Simplify right side
    232,537.78x = 23,134,265,586.29
  5. Step 5: Solve for x
    x = 23,134,265,586.29/232,537.78
  6. Step 6: Final answer
    x = 99,486.05

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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.