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Finding the Fourth Proportional to 117,808.48, 176,747.54 and 67,924.36

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Solution

The fourth proportional to 117,808.48, 176,747.54 and 67,924.36 is: 101,906.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,808.48 : 176,747.54 = 67,924.36 : x
  2. Step 2: Convert to fraction form
    117,808.48/176,747.54 = 67,924.36/x
  3. Step 3: Cross multiply
    117,808.48x = 176,747.54 × 67,924.36
  4. Step 4: Simplify right side
    117,808.48x = 12,005,463,536.07
  5. Step 5: Solve for x
    x = 12,005,463,536.07/117,808.48
  6. Step 6: Final answer
    x = 101,906.62

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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.