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Finding the Fourth Proportional to 111,241.49, 166,862.13 and 44,681.63

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Solution

The fourth proportional to 111,241.49, 166,862.13 and 44,681.63 is: 67,022.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,241.49 : 166,862.13 = 44,681.63 : x
  2. Step 2: Convert to fraction form
    111,241.49/166,862.13 = 44,681.63/x
  3. Step 3: Cross multiply
    111,241.49x = 166,862.13 × 44,681.63
  4. Step 4: Simplify right side
    111,241.49x = 7,455,670,951.81
  5. Step 5: Solve for x
    x = 7,455,670,951.81/111,241.49
  6. Step 6: Final answer
    x = 67,022.40

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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.