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Finding the Fourth Proportional to 181,234.72, 250,123.51 and 109,654.21

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Solution

The fourth proportional to 181,234.72, 250,123.51 and 109,654.21 is: 151,334.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,234.72 : 250,123.51 = 109,654.21 : x
  2. Step 2: Convert to fraction form
    181,234.72/250,123.51 = 109,654.21/x
  3. Step 3: Cross multiply
    181,234.72x = 250,123.51 × 109,654.21
  4. Step 4: Simplify right side
    181,234.72x = 27,427,095,891.48
  5. Step 5: Solve for x
    x = 27,427,095,891.48/181,234.72
  6. Step 6: Final answer
    x = 151,334.67

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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.