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Finding the Fourth Proportional to 237,103.54, 327,190.80 and 129,652.72

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Solution

The fourth proportional to 237,103.54, 327,190.80 and 129,652.72 is: 178,914.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,103.54 : 327,190.80 = 129,652.72 : x
  2. Step 2: Convert to fraction form
    237,103.54/327,190.80 = 129,652.72/x
  3. Step 3: Cross multiply
    237,103.54x = 327,190.80 × 129,652.72
  4. Step 4: Simplify right side
    237,103.54x = 42,421,177,178.98
  5. Step 5: Solve for x
    x = 42,421,177,178.98/237,103.54
  6. Step 6: Final answer
    x = 178,914.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.