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Finding the Fourth Proportional to 181,474.96, 272,267.70 and 92,790.76

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Solution

The fourth proportional to 181,474.96, 272,267.70 and 92,790.76 is: 139,214.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,474.96 : 272,267.70 = 92,790.76 : x
  2. Step 2: Convert to fraction form
    181,474.96/272,267.70 = 92,790.76/x
  3. Step 3: Cross multiply
    181,474.96x = 272,267.70 × 92,790.76
  4. Step 4: Simplify right side
    181,474.96x = 25,263,926,806.45
  5. Step 5: Solve for x
    x = 25,263,926,806.45/181,474.96
  6. Step 6: Final answer
    x = 139,214.40

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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.