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Finding the Fourth Proportional to 237,741.60, 356,236.80 and 87,775.20

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Solution

The fourth proportional to 237,741.60, 356,236.80 and 87,775.20 is: 131,524.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,741.60 : 356,236.80 = 87,775.20 : x
  2. Step 2: Convert to fraction form
    237,741.60/356,236.80 = 87,775.20/x
  3. Step 3: Cross multiply
    237,741.60x = 356,236.80 × 87,775.20
  4. Step 4: Simplify right side
    237,741.60x = 31,268,756,367.36
  5. Step 5: Solve for x
    x = 31,268,756,367.36/237,741.60
  6. Step 6: Final answer
    x = 131,524.13

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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.