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Finding the Fourth Proportional to 73,191.58, 109,702.64 and 33,665.74

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Solution

The fourth proportional to 73,191.58, 109,702.64 and 33,665.74 is: 50,459.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,191.58 : 109,702.64 = 33,665.74 : x
  2. Step 2: Convert to fraction form
    73,191.58/109,702.64 = 33,665.74/x
  3. Step 3: Cross multiply
    73,191.58x = 109,702.64 × 33,665.74
  4. Step 4: Simplify right side
    73,191.58x = 3,693,220,555.55
  5. Step 5: Solve for x
    x = 3,693,220,555.55/73,191.58
  6. Step 6: Final answer
    x = 50,459.64

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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.