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Finding the Fourth Proportional to 111,930.60, 167,851.35 and 37,029.90

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Solution

The fourth proportional to 111,930.60, 167,851.35 and 37,029.90 is: 55,530.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,930.60 : 167,851.35 = 37,029.90 : x
  2. Step 2: Convert to fraction form
    111,930.60/167,851.35 = 37,029.90/x
  3. Step 3: Cross multiply
    111,930.60x = 167,851.35 × 37,029.90
  4. Step 4: Simplify right side
    111,930.60x = 6,215,518,705.37
  5. Step 5: Solve for x
    x = 6,215,518,705.37/111,930.60
  6. Step 6: Final answer
    x = 55,530.11

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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.