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Finding the Fourth Proportional to 200,367.40, 300,365.32 and 73,937.92

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Solution

The fourth proportional to 200,367.40, 300,365.32 and 73,937.92 is: 110,838.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,367.40 : 300,365.32 = 73,937.92 : x
  2. Step 2: Convert to fraction form
    200,367.40/300,365.32 = 73,937.92/x
  3. Step 3: Cross multiply
    200,367.40x = 300,365.32 × 73,937.92
  4. Step 4: Simplify right side
    200,367.40x = 22,208,387,000.93
  5. Step 5: Solve for x
    x = 22,208,387,000.93/200,367.40
  6. Step 6: Final answer
    x = 110,838.33

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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.