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Finding the Fourth Proportional to 239,229.86, 358,914.95 and 70,754.61

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Solution

The fourth proportional to 239,229.86, 358,914.95 and 70,754.61 is: 106,152.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,229.86 : 358,914.95 = 70,754.61 : x
  2. Step 2: Convert to fraction form
    239,229.86/358,914.95 = 70,754.61/x
  3. Step 3: Cross multiply
    239,229.86x = 358,914.95 × 70,754.61
  4. Step 4: Simplify right side
    239,229.86x = 25,394,888,567.91
  5. Step 5: Solve for x
    x = 25,394,888,567.91/239,229.86
  6. Step 6: Final answer
    x = 106,152.67

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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.