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Finding the Fourth Proportional to 117,496.68, 176,270.94 and 38,607.54

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Solution

The fourth proportional to 117,496.68, 176,270.94 and 38,607.54 is: 57,919.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,496.68 : 176,270.94 = 38,607.54 : x
  2. Step 2: Convert to fraction form
    117,496.68/176,270.94 = 38,607.54/x
  3. Step 3: Cross multiply
    117,496.68x = 176,270.94 × 38,607.54
  4. Step 4: Simplify right side
    117,496.68x = 6,805,387,366.89
  5. Step 5: Solve for x
    x = 6,805,387,366.89/117,496.68
  6. Step 6: Final answer
    x = 57,919.83

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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.