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Finding the Fourth Proportional to 227,196.66, 340,858.11 and 99,124.11

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Solution

The fourth proportional to 227,196.66, 340,858.11 and 99,124.11 is: 148,713.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,196.66 : 340,858.11 = 99,124.11 : x
  2. Step 2: Convert to fraction form
    227,196.66/340,858.11 = 99,124.11/x
  3. Step 3: Cross multiply
    227,196.66x = 340,858.11 × 99,124.11
  4. Step 4: Simplify right side
    227,196.66x = 33,787,256,790.03
  5. Step 5: Solve for x
    x = 33,787,256,790.03/227,196.66
  6. Step 6: Final answer
    x = 148,713.70

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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.