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Finding the Fourth Proportional to 200,124.88, 300,305.17 and 73,853.98

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Solution

The fourth proportional to 200,124.88, 300,305.17 and 73,853.98 is: 110,824.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,124.88 : 300,305.17 = 73,853.98 : x
  2. Step 2: Convert to fraction form
    200,124.88/300,305.17 = 73,853.98/x
  3. Step 3: Cross multiply
    200,124.88x = 300,305.17 × 73,853.98
  4. Step 4: Simplify right side
    200,124.88x = 22,178,730,794.50
  5. Step 5: Solve for x
    x = 22,178,730,794.50/200,124.88
  6. Step 6: Final answer
    x = 110,824.46

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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.