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Finding the Fourth Proportional to 111,266.65, 166,926.22 and 36,386.50

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Solution

The fourth proportional to 111,266.65, 166,926.22 and 36,386.50 is: 54,588.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,266.65 : 166,926.22 = 36,386.50 : x
  2. Step 2: Convert to fraction form
    111,266.65/166,926.22 = 36,386.50/x
  3. Step 3: Cross multiply
    111,266.65x = 166,926.22 × 36,386.50
  4. Step 4: Simplify right side
    111,266.65x = 6,073,860,904.03
  5. Step 5: Solve for x
    x = 6,073,860,904.03/111,266.65
  6. Step 6: Final answer
    x = 54,588.33

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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.