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Finding the Fourth Proportional to 117,506.76, 176,241.91 and 38,620.45

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Solution

The fourth proportional to 117,506.76, 176,241.91 and 38,620.45 is: 57,924.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,506.76 : 176,241.91 = 38,620.45 : x
  2. Step 2: Convert to fraction form
    117,506.76/176,241.91 = 38,620.45/x
  3. Step 3: Cross multiply
    117,506.76x = 176,241.91 × 38,620.45
  4. Step 4: Simplify right side
    117,506.76x = 6,806,541,873.06
  5. Step 5: Solve for x
    x = 6,806,541,873.06/117,506.76
  6. Step 6: Final answer
    x = 57,924.68

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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.