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Finding the Fourth Proportional to 181,474.68, 272,267.40 and 92,790.48

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Solution

The fourth proportional to 181,474.68, 272,267.40 and 92,790.48 is: 139,214.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,474.68 : 272,267.40 = 92,790.48 : x
  2. Step 2: Convert to fraction form
    181,474.68/272,267.40 = 92,790.48/x
  3. Step 3: Cross multiply
    181,474.68x = 272,267.40 × 92,790.48
  4. Step 4: Simplify right side
    181,474.68x = 25,263,822,734.35
  5. Step 5: Solve for x
    x = 25,263,822,734.35/181,474.68
  6. Step 6: Final answer
    x = 139,214.04

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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.