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Finding the Fourth Proportional to 237,885.50, 328,251.74 and 135,917.56

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Solution

The fourth proportional to 237,885.50, 328,251.74 and 135,917.56 is: 187,548.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,885.50 : 328,251.74 = 135,917.56 : x
  2. Step 2: Convert to fraction form
    237,885.50/328,251.74 = 135,917.56/x
  3. Step 3: Cross multiply
    237,885.50x = 328,251.74 × 135,917.56
  4. Step 4: Simplify right side
    237,885.50x = 44,615,176,061.82
  5. Step 5: Solve for x
    x = 44,615,176,061.82/237,885.50
  6. Step 6: Final answer
    x = 187,548.95

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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.