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Finding the Fourth Proportional to 165,152.97, 247,700.25 and 65,279.97

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Solution

The fourth proportional to 165,152.97, 247,700.25 and 65,279.97 is: 97,908.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,152.97 : 247,700.25 = 65,279.97 : x
  2. Step 2: Convert to fraction form
    165,152.97/247,700.25 = 65,279.97/x
  3. Step 3: Cross multiply
    165,152.97x = 247,700.25 × 65,279.97
  4. Step 4: Simplify right side
    165,152.97x = 16,169,864,888.99
  5. Step 5: Solve for x
    x = 16,169,864,888.99/165,152.97
  6. Step 6: Final answer
    x = 97,908.41

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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.