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Finding the Fourth Proportional to 111,240.47, 166,846.79 and 36,354.35

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Solution

The fourth proportional to 111,240.47, 166,846.79 and 36,354.35 is: 54,526.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,240.47 : 166,846.79 = 36,354.35 : x
  2. Step 2: Convert to fraction form
    111,240.47/166,846.79 = 36,354.35/x
  3. Step 3: Cross multiply
    111,240.47x = 166,846.79 × 36,354.35
  4. Step 4: Simplify right side
    111,240.47x = 6,065,606,600.04
  5. Step 5: Solve for x
    x = 6,065,606,600.04/111,240.47
  6. Step 6: Final answer
    x = 54,526.98

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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.