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Finding the Fourth Proportional to 200,595.15, 300,523.67 and 125,701.34

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Solution

The fourth proportional to 200,595.15, 300,523.67 and 125,701.34 is: 188,320.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,595.15 : 300,523.67 = 125,701.34 : x
  2. Step 2: Convert to fraction form
    200,595.15/300,523.67 = 125,701.34/x
  3. Step 3: Cross multiply
    200,595.15x = 300,523.67 × 125,701.34
  4. Step 4: Simplify right side
    200,595.15x = 37,776,225,889.59
  5. Step 5: Solve for x
    x = 37,776,225,889.59/200,595.15
  6. Step 6: Final answer
    x = 188,320.73

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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.