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Finding the Fourth Proportional to 231,024, 346,555.62 and 64,812

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Solution

The fourth proportional to 231,024, 346,555.62 and 64,812 is: 97,223.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,024 : 346,555.62 = 64,812 : x
  2. Step 2: Convert to fraction form
    231,024/346,555.62 = 64,812/x
  3. Step 3: Cross multiply
    231,024x = 346,555.62 × 64,812
  4. Step 4: Simplify right side
    231,024x = 22,460,962,843.44
  5. Step 5: Solve for x
    x = 22,460,962,843.44/231,024
  6. Step 6: Final answer
    x = 97,223.50

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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.