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Finding the Fourth Proportional to 119,858.29, 179,867.70 and 49,737.67

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Solution

The fourth proportional to 119,858.29, 179,867.70 and 49,737.67 is: 74,639.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,858.29 : 179,867.70 = 49,737.67 : x
  2. Step 2: Convert to fraction form
    119,858.29/179,867.70 = 49,737.67/x
  3. Step 3: Cross multiply
    119,858.29x = 179,867.70 × 49,737.67
  4. Step 4: Simplify right side
    119,858.29x = 8,946,200,306.26
  5. Step 5: Solve for x
    x = 8,946,200,306.26/119,858.29
  6. Step 6: Final answer
    x = 74,639.81

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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.