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Finding the Fourth Proportional to 165,731.70, 248,633.55 and 60,550.50

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Solution

The fourth proportional to 165,731.70, 248,633.55 and 60,550.50 is: 90,838.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,731.70 : 248,633.55 = 60,550.50 : x
  2. Step 2: Convert to fraction form
    165,731.70/248,633.55 = 60,550.50/x
  3. Step 3: Cross multiply
    165,731.70x = 248,633.55 × 60,550.50
  4. Step 4: Simplify right side
    165,731.70x = 15,054,885,769.28
  5. Step 5: Solve for x
    x = 15,054,885,769.28/165,731.70
  6. Step 6: Final answer
    x = 90,838.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.