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Finding the Fourth Proportional to 165,579, 248,405.52 and 60,397.97

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Solution

The fourth proportional to 165,579, 248,405.52 and 60,397.97 is: 90,610.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,579 : 248,405.52 = 60,397.97 : x
  2. Step 2: Convert to fraction form
    165,579/248,405.52 = 60,397.97/x
  3. Step 3: Cross multiply
    165,579x = 248,405.52 × 60,397.97
  4. Step 4: Simplify right side
    165,579x = 15,003,189,144.79
  5. Step 5: Solve for x
    x = 15,003,189,144.79/165,579
  6. Step 6: Final answer
    x = 90,610.46

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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.