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Finding the Fourth Proportional to 193,073.08, 266,448.06 and 108,187

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Solution

The fourth proportional to 193,073.08, 266,448.06 and 108,187 is: 149,302.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,073.08 : 266,448.06 = 108,187 : x
  2. Step 2: Convert to fraction form
    193,073.08/266,448.06 = 108,187/x
  3. Step 3: Cross multiply
    193,073.08x = 266,448.06 × 108,187
  4. Step 4: Simplify right side
    193,073.08x = 28,826,216,267.22
  5. Step 5: Solve for x
    x = 28,826,216,267.22/193,073.08
  6. Step 6: Final answer
    x = 149,302.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.