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Finding the Fourth Proportional to 117,235.14, 175,869.11 and 38,333.64

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Solution

The fourth proportional to 117,235.14, 175,869.11 and 38,333.64 is: 57,505.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,235.14 : 175,869.11 = 38,333.64 : x
  2. Step 2: Convert to fraction form
    117,235.14/175,869.11 = 38,333.64/x
  3. Step 3: Cross multiply
    117,235.14x = 175,869.11 × 38,333.64
  4. Step 4: Simplify right side
    117,235.14x = 6,741,703,149.86
  5. Step 5: Solve for x
    x = 6,741,703,149.86/117,235.14
  6. Step 6: Final answer
    x = 57,505.82

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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.