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Finding the Fourth Proportional to 201,120.86, 301,677.62 and 169,732.55

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Solution

The fourth proportional to 201,120.86, 301,677.62 and 169,732.55 is: 254,595.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,120.86 : 301,677.62 = 169,732.55 : x
  2. Step 2: Convert to fraction form
    201,120.86/301,677.62 = 169,732.55/x
  3. Step 3: Cross multiply
    201,120.86x = 301,677.62 × 169,732.55
  4. Step 4: Simplify right side
    201,120.86x = 51,204,509,363.48
  5. Step 5: Solve for x
    x = 51,204,509,363.48/201,120.86
  6. Step 6: Final answer
    x = 254,595.72

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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.