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Finding the Fourth Proportional to 155,295.87, 214,301.39 and 94,967.61

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Solution

The fourth proportional to 155,295.87, 214,301.39 and 94,967.61 is: 131,051.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,295.87 : 214,301.39 = 94,967.61 : x
  2. Step 2: Convert to fraction form
    155,295.87/214,301.39 = 94,967.61/x
  3. Step 3: Cross multiply
    155,295.87x = 214,301.39 × 94,967.61
  4. Step 4: Simplify right side
    155,295.87x = 20,351,689,993.89
  5. Step 5: Solve for x
    x = 20,351,689,993.89/155,295.87
  6. Step 6: Final answer
    x = 131,051.07

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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.