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Finding the Fourth Proportional to 200,342.70, 300,037.00 and 115,924.96

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Solution

The fourth proportional to 200,342.70, 300,037.00 and 115,924.96 is: 173,611.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,342.70 : 300,037.00 = 115,924.96 : x
  2. Step 2: Convert to fraction form
    200,342.70/300,037.00 = 115,924.96/x
  3. Step 3: Cross multiply
    200,342.70x = 300,037.00 × 115,924.96
  4. Step 4: Simplify right side
    200,342.70x = 34,781,776,464.90
  5. Step 5: Solve for x
    x = 34,781,776,464.90/200,342.70
  6. Step 6: Final answer
    x = 173,611.40

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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.