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Finding the Fourth Proportional to 117,119.56, 161,625.04 and 63,404.56

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Solution

The fourth proportional to 117,119.56, 161,625.04 and 63,404.56 is: 87,498.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,119.56 : 161,625.04 = 63,404.56 : x
  2. Step 2: Convert to fraction form
    117,119.56/161,625.04 = 63,404.56/x
  3. Step 3: Cross multiply
    117,119.56x = 161,625.04 × 63,404.56
  4. Step 4: Simplify right side
    117,119.56x = 10,247,764,546.18
  5. Step 5: Solve for x
    x = 10,247,764,546.18/117,119.56
  6. Step 6: Final answer
    x = 87,498.32

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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.