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Finding the Fourth Proportional to 111,352.42, 166,994.00 and 36,455.87

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Solution

The fourth proportional to 111,352.42, 166,994.00 and 36,455.87 is: 54,672.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,352.42 : 166,994.00 = 36,455.87 : x
  2. Step 2: Convert to fraction form
    111,352.42/166,994.00 = 36,455.87/x
  3. Step 3: Cross multiply
    111,352.42x = 166,994.00 × 36,455.87
  4. Step 4: Simplify right side
    111,352.42x = 6,087,912,131.76
  5. Step 5: Solve for x
    x = 6,087,912,131.76/111,352.42
  6. Step 6: Final answer
    x = 54,672.47

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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.