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Finding the Fourth Proportional to 119,818.98, 179,334.54 and 106,696.98

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Solution

The fourth proportional to 119,818.98, 179,334.54 and 106,696.98 is: 159,694.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,818.98 : 179,334.54 = 106,696.98 : x
  2. Step 2: Convert to fraction form
    119,818.98/179,334.54 = 106,696.98/x
  3. Step 3: Cross multiply
    119,818.98x = 179,334.54 × 106,696.98
  4. Step 4: Simplify right side
    119,818.98x = 19,134,453,827.69
  5. Step 5: Solve for x
    x = 19,134,453,827.69/119,818.98
  6. Step 6: Final answer
    x = 159,694.68

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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.