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Finding the Fourth Proportional to 166,663.40, 250,021.02 and 55,829.48

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Solution

The fourth proportional to 166,663.40, 250,021.02 and 55,829.48 is: 83,752.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,663.40 : 250,021.02 = 55,829.48 : x
  2. Step 2: Convert to fraction form
    166,663.40/250,021.02 = 55,829.48/x
  3. Step 3: Cross multiply
    166,663.40x = 250,021.02 × 55,829.48
  4. Step 4: Simplify right side
    166,663.40x = 13,958,543,535.67
  5. Step 5: Solve for x
    x = 13,958,543,535.67/166,663.40
  6. Step 6: Final answer
    x = 83,752.90

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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.