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Finding the Fourth Proportional to 170,278.77, 255,024.49 and 164,373.87

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Solution

The fourth proportional to 170,278.77, 255,024.49 and 164,373.87 is: 246,180.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,278.77 : 255,024.49 = 164,373.87 : x
  2. Step 2: Convert to fraction form
    170,278.77/255,024.49 = 164,373.87/x
  3. Step 3: Cross multiply
    170,278.77x = 255,024.49 × 164,373.87
  4. Step 4: Simplify right side
    170,278.77x = 41,919,362,366.08
  5. Step 5: Solve for x
    x = 41,919,362,366.08/170,278.77
  6. Step 6: Final answer
    x = 246,180.79

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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.