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Finding the Fourth Proportional to 236,351.16, 354,472.74 and 67,870.15

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Solution

The fourth proportional to 236,351.16, 354,472.74 and 67,870.15 is: 101,789.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,351.16 : 354,472.74 = 67,870.15 : x
  2. Step 2: Convert to fraction form
    236,351.16/354,472.74 = 67,870.15/x
  3. Step 3: Cross multiply
    236,351.16x = 354,472.74 × 67,870.15
  4. Step 4: Simplify right side
    236,351.16x = 24,058,117,148.53
  5. Step 5: Solve for x
    x = 24,058,117,148.53/236,351.16
  6. Step 6: Final answer
    x = 101,789.71

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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.