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Finding the Fourth Proportional to 378,090.01, 567,120.30 and 93,781.27

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Solution

The fourth proportional to 378,090.01, 567,120.30 and 93,781.27 is: 140,668.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,090.01 : 567,120.30 = 93,781.27 : x
  2. Step 2: Convert to fraction form
    378,090.01/567,120.30 = 93,781.27/x
  3. Step 3: Cross multiply
    378,090.01x = 567,120.30 × 93,781.27
  4. Step 4: Simplify right side
    378,090.01x = 53,185,261,976.78
  5. Step 5: Solve for x
    x = 53,185,261,976.78/378,090.01
  6. Step 6: Final answer
    x = 140,668.26

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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.