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Finding the Fourth Proportional to 119,838.76, 179,758.17 and 40,953.67

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Solution

The fourth proportional to 119,838.76, 179,758.17 and 40,953.67 is: 61,430.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,838.76 : 179,758.17 = 40,953.67 : x
  2. Step 2: Convert to fraction form
    119,838.76/179,758.17 = 40,953.67/x
  3. Step 3: Cross multiply
    119,838.76x = 179,758.17 × 40,953.67
  4. Step 4: Simplify right side
    119,838.76x = 7,361,756,324.59
  5. Step 5: Solve for x
    x = 7,361,756,324.59/119,838.76
  6. Step 6: Final answer
    x = 61,430.51

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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.