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Finding the Fourth Proportional to 119,073.74, 178,610.46 and 92,798.14

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Solution

The fourth proportional to 119,073.74, 178,610.46 and 92,798.14 is: 139,197.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,073.74 : 178,610.46 = 92,798.14 : x
  2. Step 2: Convert to fraction form
    119,073.74/178,610.46 = 92,798.14/x
  3. Step 3: Cross multiply
    119,073.74x = 178,610.46 × 92,798.14
  4. Step 4: Simplify right side
    119,073.74x = 16,574,718,472.54
  5. Step 5: Solve for x
    x = 16,574,718,472.54/119,073.74
  6. Step 6: Final answer
    x = 139,197.09

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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.