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Finding the Fourth Proportional to 155,599.71, 214,731.87 and 95,169.27

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Solution

The fourth proportional to 155,599.71, 214,731.87 and 95,169.27 is: 131,336.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,599.71 : 214,731.87 = 95,169.27 : x
  2. Step 2: Convert to fraction form
    155,599.71/214,731.87 = 95,169.27/x
  3. Step 3: Cross multiply
    155,599.71x = 214,731.87 × 95,169.27
  4. Step 4: Simplify right side
    155,599.71x = 20,435,875,313.63
  5. Step 5: Solve for x
    x = 20,435,875,313.63/155,599.71
  6. Step 6: Final answer
    x = 131,336.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.