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Finding the Fourth Proportional to 234,211.77, 351,373.64 and 76,440.51

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Solution

The fourth proportional to 234,211.77, 351,373.64 and 76,440.51 is: 114,679.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,211.77 : 351,373.64 = 76,440.51 : x
  2. Step 2: Convert to fraction form
    234,211.77/351,373.64 = 76,440.51/x
  3. Step 3: Cross multiply
    234,211.77x = 351,373.64 × 76,440.51
  4. Step 4: Simplify right side
    234,211.77x = 26,859,179,859.95
  5. Step 5: Solve for x
    x = 26,859,179,859.95/234,211.77
  6. Step 6: Final answer
    x = 114,679.04

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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.