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Finding the Fourth Proportional to 111,054.24, 166,597.16 and 40,928.09

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Solution

The fourth proportional to 111,054.24, 166,597.16 and 40,928.09 is: 61,397.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,054.24 : 166,597.16 = 40,928.09 : x
  2. Step 2: Convert to fraction form
    111,054.24/166,597.16 = 40,928.09/x
  3. Step 3: Cross multiply
    111,054.24x = 166,597.16 × 40,928.09
  4. Step 4: Simplify right side
    111,054.24x = 6,818,502,520.60
  5. Step 5: Solve for x
    x = 6,818,502,520.60/111,054.24
  6. Step 6: Final answer
    x = 61,397.95

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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.