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Finding the Fourth Proportional to 165,574.87, 248,399.34 and 60,393.84

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Solution

The fourth proportional to 165,574.87, 248,399.34 and 60,393.84 is: 90,604.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,574.87 : 248,399.34 = 60,393.84 : x
  2. Step 2: Convert to fraction form
    165,574.87/248,399.34 = 60,393.84/x
  3. Step 3: Cross multiply
    165,574.87x = 248,399.34 × 60,393.84
  4. Step 4: Simplify right side
    165,574.87x = 15,001,788,838.09
  5. Step 5: Solve for x
    x = 15,001,788,838.09/165,574.87
  6. Step 6: Final answer
    x = 90,604.26

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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.