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Finding the Fourth Proportional to 107,803.40, 161,676.30 and 32,923.40

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Solution

The fourth proportional to 107,803.40, 161,676.30 and 32,923.40 is: 49,376.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,803.40 : 161,676.30 = 32,923.40 : x
  2. Step 2: Convert to fraction form
    107,803.40/161,676.30 = 32,923.40/x
  3. Step 3: Cross multiply
    107,803.40x = 161,676.30 × 32,923.40
  4. Step 4: Simplify right side
    107,803.40x = 5,322,933,495.42
  5. Step 5: Solve for x
    x = 5,322,933,495.42/107,803.40
  6. Step 6: Final answer
    x = 49,376.30

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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.