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Finding the Fourth Proportional to 107,768.77, 161,653.16 and 32,889.30

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Solution

The fourth proportional to 107,768.77, 161,653.16 and 32,889.30 is: 49,333.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,768.77 : 161,653.16 = 32,889.30 : x
  2. Step 2: Convert to fraction form
    107,768.77/161,653.16 = 32,889.30/x
  3. Step 3: Cross multiply
    107,768.77x = 161,653.16 × 32,889.30
  4. Step 4: Simplify right side
    107,768.77x = 5,316,659,275.19
  5. Step 5: Solve for x
    x = 5,316,659,275.19/107,768.77
  6. Step 6: Final answer
    x = 49,333.95

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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.