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Finding the Fourth Proportional to 192,930.56, 266,066.16 and 132,394.40

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Solution

The fourth proportional to 192,930.56, 266,066.16 and 132,394.40 is: 182,582.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,930.56 : 266,066.16 = 132,394.40 : x
  2. Step 2: Convert to fraction form
    192,930.56/266,066.16 = 132,394.40/x
  3. Step 3: Cross multiply
    192,930.56x = 266,066.16 × 132,394.40
  4. Step 4: Simplify right side
    192,930.56x = 35,225,669,613.50
  5. Step 5: Solve for x
    x = 35,225,669,613.50/192,930.56
  6. Step 6: Final answer
    x = 182,582.11

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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.