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Finding the Fourth Proportional to 234,334.79, 351,502.20 and 65,848.31

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Solution

The fourth proportional to 234,334.79, 351,502.20 and 65,848.31 is: 98,772.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,334.79 : 351,502.20 = 65,848.31 : x
  2. Step 2: Convert to fraction form
    234,334.79/351,502.20 = 65,848.31/x
  3. Step 3: Cross multiply
    234,334.79x = 351,502.20 × 65,848.31
  4. Step 4: Simplify right side
    234,334.79x = 23,145,825,391.90
  5. Step 5: Solve for x
    x = 23,145,825,391.90/234,334.79
  6. Step 6: Final answer
    x = 98,772.47

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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.