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Finding the Fourth Proportional to 274,909.23, 411,663.83 and 181,130.67

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Solution

The fourth proportional to 274,909.23, 411,663.83 and 181,130.67 is: 271,234.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,909.23 : 411,663.83 = 181,130.67 : x
  2. Step 2: Convert to fraction form
    274,909.23/411,663.83 = 181,130.67/x
  3. Step 3: Cross multiply
    274,909.23x = 411,663.83 × 181,130.67
  4. Step 4: Simplify right side
    274,909.23x = 74,564,944,437.01
  5. Step 5: Solve for x
    x = 74,564,944,437.01/274,909.23
  6. Step 6: Final answer
    x = 271,234.78

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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.