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Finding the Fourth Proportional to 227,678.80, 341,562.48 and 87,427.12

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Solution

The fourth proportional to 227,678.80, 341,562.48 and 87,427.12 is: 131,157.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,678.80 : 341,562.48 = 87,427.12 : x
  2. Step 2: Convert to fraction form
    227,678.80/341,562.48 = 87,427.12/x
  3. Step 3: Cross multiply
    227,678.80x = 341,562.48 × 87,427.12
  4. Step 4: Simplify right side
    227,678.80x = 29,861,823,926.46
  5. Step 5: Solve for x
    x = 29,861,823,926.46/227,678.80
  6. Step 6: Final answer
    x = 131,157.68

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1.5x scale

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.