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Finding the Fourth Proportional to 101,592, 140,164.56 and 65,809.44

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Solution

The fourth proportional to 101,592, 140,164.56 and 65,809.44 is: 90,796.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,592 : 140,164.56 = 65,809.44 : x
  2. Step 2: Convert to fraction form
    101,592/140,164.56 = 65,809.44/x
  3. Step 3: Cross multiply
    101,592x = 140,164.56 × 65,809.44
  4. Step 4: Simplify right side
    101,592x = 9,224,151,201.45
  5. Step 5: Solve for x
    x = 9,224,151,201.45/101,592
  6. Step 6: Final answer
    x = 90,796.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.