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Finding the Fourth Proportional to 175,607.80, 263,411.70 and 166,859.80

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Solution

The fourth proportional to 175,607.80, 263,411.70 and 166,859.80 is: 250,289.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,607.80 : 263,411.70 = 166,859.80 : x
  2. Step 2: Convert to fraction form
    175,607.80/263,411.70 = 166,859.80/x
  3. Step 3: Cross multiply
    175,607.80x = 263,411.70 × 166,859.80
  4. Step 4: Simplify right side
    175,607.80x = 43,952,823,579.66
  5. Step 5: Solve for x
    x = 43,952,823,579.66/175,607.80
  6. Step 6: Final answer
    x = 250,289.70

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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.