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Finding the Fourth Proportional to 165,701.60, 248,617.20 and 60,531.20

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Solution

The fourth proportional to 165,701.60, 248,617.20 and 60,531.20 is: 90,820.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,701.60 : 248,617.20 = 60,531.20 : x
  2. Step 2: Convert to fraction form
    165,701.60/248,617.20 = 60,531.20/x
  3. Step 3: Cross multiply
    165,701.60x = 248,617.20 × 60,531.20
  4. Step 4: Simplify right side
    165,701.60x = 15,049,097,456.64
  5. Step 5: Solve for x
    x = 15,049,097,456.64/165,701.60
  6. Step 6: Final answer
    x = 90,820.47

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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.