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Finding the Fourth Proportional to 117,356.43, 176,067.45 and 38,526.02

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Solution

The fourth proportional to 117,356.43, 176,067.45 and 38,526.02 is: 57,799.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,356.43 : 176,067.45 = 38,526.02 : x
  2. Step 2: Convert to fraction form
    117,356.43/176,067.45 = 38,526.02/x
  3. Step 3: Cross multiply
    117,356.43x = 176,067.45 × 38,526.02
  4. Step 4: Simplify right side
    117,356.43x = 6,783,177,219.71
  5. Step 5: Solve for x
    x = 6,783,177,219.71/117,356.43
  6. Step 6: Final answer
    x = 57,799.79

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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.