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Finding the Fourth Proportional to 167,775.61, 251,702.83 and 55,455.83

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Solution

The fourth proportional to 167,775.61, 251,702.83 and 55,455.83 is: 83,196.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,775.61 : 251,702.83 = 55,455.83 : x
  2. Step 2: Convert to fraction form
    167,775.61/251,702.83 = 55,455.83/x
  3. Step 3: Cross multiply
    167,775.61x = 251,702.83 × 55,455.83
  4. Step 4: Simplify right side
    167,775.61x = 13,958,390,684.99
  5. Step 5: Solve for x
    x = 13,958,390,684.99/167,775.61
  6. Step 6: Final answer
    x = 83,196.78

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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.