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Finding the Fourth Proportional to 165,863.96, 248,892.30 and 69,794.13

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Solution

The fourth proportional to 165,863.96, 248,892.30 and 69,794.13 is: 104,731.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,863.96 : 248,892.30 = 69,794.13 : x
  2. Step 2: Convert to fraction form
    165,863.96/248,892.30 = 69,794.13/x
  3. Step 3: Cross multiply
    165,863.96x = 248,892.30 × 69,794.13
  4. Step 4: Simplify right side
    165,863.96x = 17,371,221,542.20
  5. Step 5: Solve for x
    x = 17,371,221,542.20/165,863.96
  6. Step 6: Final answer
    x = 104,731.74

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1.5x scale

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.