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Finding the Fourth Proportional to 107,801.40, 161,673.30 and 32,921.40

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Solution

The fourth proportional to 107,801.40, 161,673.30 and 32,921.40 is: 49,373.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,801.40 : 161,673.30 = 32,921.40 : x
  2. Step 2: Convert to fraction form
    107,801.40/161,673.30 = 32,921.40/x
  3. Step 3: Cross multiply
    107,801.40x = 161,673.30 × 32,921.40
  4. Step 4: Simplify right side
    107,801.40x = 5,322,511,378.62
  5. Step 5: Solve for x
    x = 5,322,511,378.62/107,801.40
  6. Step 6: Final answer
    x = 49,373.30

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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.