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Finding the Fourth Proportional to 111,004.40, 166,517.54 and 40,867.32

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Solution

The fourth proportional to 111,004.40, 166,517.54 and 40,867.32 is: 61,305.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,004.40 : 166,517.54 = 40,867.32 : x
  2. Step 2: Convert to fraction form
    111,004.40/166,517.54 = 40,867.32/x
  3. Step 3: Cross multiply
    111,004.40x = 166,517.54 × 40,867.32
  4. Step 4: Simplify right side
    111,004.40x = 6,805,125,592.79
  5. Step 5: Solve for x
    x = 6,805,125,592.79/111,004.40
  6. Step 6: Final answer
    x = 61,305.01

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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.