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Finding the Fourth Proportional to 73,332.12, 109,911.90 and 33,805.74

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Solution

The fourth proportional to 73,332.12, 109,911.90 and 33,805.74 is: 50,668.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,332.12 : 109,911.90 = 33,805.74 : x
  2. Step 2: Convert to fraction form
    73,332.12/109,911.90 = 33,805.74/x
  3. Step 3: Cross multiply
    73,332.12x = 109,911.90 × 33,805.74
  4. Step 4: Simplify right side
    73,332.12x = 3,715,653,114.31
  5. Step 5: Solve for x
    x = 3,715,653,114.31/73,332.12
  6. Step 6: Final answer
    x = 50,668.84

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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.