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Finding the Fourth Proportional to 111,558.66, 167,329.48 and 36,681.24

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Solution

The fourth proportional to 111,558.66, 167,329.48 and 36,681.24 is: 55,019.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,558.66 : 167,329.48 = 36,681.24 : x
  2. Step 2: Convert to fraction form
    111,558.66/167,329.48 = 36,681.24/x
  3. Step 3: Cross multiply
    111,558.66x = 167,329.48 × 36,681.24
  4. Step 4: Simplify right side
    111,558.66x = 6,137,852,814.96
  5. Step 5: Solve for x
    x = 6,137,852,814.96/111,558.66
  6. Step 6: Final answer
    x = 55,019.06

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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.