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Finding the Fourth Proportional to 165,901.70, 248,852.55 and 41,242.70

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Solution

The fourth proportional to 165,901.70, 248,852.55 and 41,242.70 is: 61,864.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,901.70 : 248,852.55 = 41,242.70 : x
  2. Step 2: Convert to fraction form
    165,901.70/248,852.55 = 41,242.70/x
  3. Step 3: Cross multiply
    165,901.70x = 248,852.55 × 41,242.70
  4. Step 4: Simplify right side
    165,901.70x = 10,263,351,063.89
  5. Step 5: Solve for x
    x = 10,263,351,063.89/165,901.70
  6. Step 6: Final answer
    x = 61,864.05

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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.