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Finding the Fourth Proportional to 174,908.76, 262,490.58 and 69,757.80

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Solution

The fourth proportional to 174,908.76, 262,490.58 and 69,757.80 is: 104,687.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,908.76 : 262,490.58 = 69,757.80 : x
  2. Step 2: Convert to fraction form
    174,908.76/262,490.58 = 69,757.80/x
  3. Step 3: Cross multiply
    174,908.76x = 262,490.58 × 69,757.80
  4. Step 4: Simplify right side
    174,908.76x = 18,310,765,381.52
  5. Step 5: Solve for x
    x = 18,310,765,381.52/174,908.76
  6. Step 6: Final answer
    x = 104,687.53

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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.