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Finding the Fourth Proportional to 237,038.42, 327,101.54 and 135,087.78

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Solution

The fourth proportional to 237,038.42, 327,101.54 and 135,087.78 is: 186,414.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,038.42 : 327,101.54 = 135,087.78 : x
  2. Step 2: Convert to fraction form
    237,038.42/327,101.54 = 135,087.78/x
  3. Step 3: Cross multiply
    237,038.42x = 327,101.54 × 135,087.78
  4. Step 4: Simplify right side
    237,038.42x = 44,187,420,873.18
  5. Step 5: Solve for x
    x = 44,187,420,873.18/237,038.42
  6. Step 6: Final answer
    x = 186,414.59

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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.