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Finding the Fourth Proportional to 111,255.75, 166,904.55 and 44,701.20

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Solution

The fourth proportional to 111,255.75, 166,904.55 and 44,701.20 is: 67,060.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,255.75 : 166,904.55 = 44,701.20 : x
  2. Step 2: Convert to fraction form
    111,255.75/166,904.55 = 44,701.20/x
  3. Step 3: Cross multiply
    111,255.75x = 166,904.55 × 44,701.20
  4. Step 4: Simplify right side
    111,255.75x = 7,460,833,670.46
  5. Step 5: Solve for x
    x = 7,460,833,670.46/111,255.75
  6. Step 6: Final answer
    x = 67,060.21

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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.