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Finding the Fourth Proportional to 165,881.80, 248,793.90 and 60,646.60

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Solution

The fourth proportional to 165,881.80, 248,793.90 and 60,646.60 is: 90,959.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,881.80 : 248,793.90 = 60,646.60 : x
  2. Step 2: Convert to fraction form
    165,881.80/248,793.90 = 60,646.60/x
  3. Step 3: Cross multiply
    165,881.80x = 248,793.90 × 60,646.60
  4. Step 4: Simplify right side
    165,881.80x = 15,088,504,135.74
  5. Step 5: Solve for x
    x = 15,088,504,135.74/165,881.80
  6. Step 6: Final answer
    x = 90,959.37

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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.