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Finding the Fourth Proportional to 165,168.48, 247,769.16 and 52,820.48

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Solution

The fourth proportional to 165,168.48, 247,769.16 and 52,820.48 is: 79,235.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,168.48 : 247,769.16 = 52,820.48 : x
  2. Step 2: Convert to fraction form
    165,168.48/247,769.16 = 52,820.48/x
  3. Step 3: Cross multiply
    165,168.48x = 247,769.16 × 52,820.48
  4. Step 4: Simplify right side
    165,168.48x = 13,087,285,960.40
  5. Step 5: Solve for x
    x = 13,087,285,960.40/165,168.48
  6. Step 6: Final answer
    x = 79,235.98

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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.