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Finding the Fourth Proportional to 237,194.72, 355,931.76 and 87,540.32

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Solution

The fourth proportional to 237,194.72, 355,931.76 and 87,540.32 is: 131,362.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,194.72 : 355,931.76 = 87,540.32 : x
  2. Step 2: Convert to fraction form
    237,194.72/355,931.76 = 87,540.32/x
  3. Step 3: Cross multiply
    237,194.72x = 355,931.76 × 87,540.32
  4. Step 4: Simplify right side
    237,194.72x = 31,158,380,168.56
  5. Step 5: Solve for x
    x = 31,158,380,168.56/237,194.72
  6. Step 6: Final answer
    x = 131,362.03

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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.