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Finding the Fourth Proportional to 237,597.86, 327,882.31 and 128,700.12

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Solution

The fourth proportional to 237,597.86, 327,882.31 and 128,700.12 is: 177,604.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,597.86 : 327,882.31 = 128,700.12 : x
  2. Step 2: Convert to fraction form
    237,597.86/327,882.31 = 128,700.12/x
  3. Step 3: Cross multiply
    237,597.86x = 327,882.31 × 128,700.12
  4. Step 4: Simplify right side
    237,597.86x = 42,198,492,642.88
  5. Step 5: Solve for x
    x = 42,198,492,642.88/237,597.86
  6. Step 6: Final answer
    x = 177,604.68

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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.