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Finding the Fourth Proportional to 111,207.60, 166,811.40 and 41,077.80

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Solution

The fourth proportional to 111,207.60, 166,811.40 and 41,077.80 is: 61,616.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,207.60 : 166,811.40 = 41,077.80 : x
  2. Step 2: Convert to fraction form
    111,207.60/166,811.40 = 41,077.80/x
  3. Step 3: Cross multiply
    111,207.60x = 166,811.40 × 41,077.80
  4. Step 4: Simplify right side
    111,207.60x = 6,852,245,326.92
  5. Step 5: Solve for x
    x = 6,852,245,326.92/111,207.60
  6. Step 6: Final answer
    x = 61,616.70

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1.5x scale

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.