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Finding the Fourth Proportional to 111,207.80, 166,741.60 and 94,346.70

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Solution

The fourth proportional to 111,207.80, 166,741.60 and 94,346.70 is: 141,460.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,207.80 : 166,741.60 = 94,346.70 : x
  2. Step 2: Convert to fraction form
    111,207.80/166,741.60 = 94,346.70/x
  3. Step 3: Cross multiply
    111,207.80x = 166,741.60 × 94,346.70
  4. Step 4: Simplify right side
    111,207.80x = 15,731,519,712.72
  5. Step 5: Solve for x
    x = 15,731,519,712.72/111,207.80
  6. Step 6: Final answer
    x = 141,460.58

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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.