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Finding the Fourth Proportional to 160,174.77, 221,045.79 and 88,559.41

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Solution

The fourth proportional to 160,174.77, 221,045.79 and 88,559.41 is: 122,214.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,174.77 : 221,045.79 = 88,559.41 : x
  2. Step 2: Convert to fraction form
    160,174.77/221,045.79 = 88,559.41/x
  3. Step 3: Cross multiply
    160,174.77x = 221,045.79 × 88,559.41
  4. Step 4: Simplify right side
    160,174.77x = 19,575,684,745.38
  5. Step 5: Solve for x
    x = 19,575,684,745.38/160,174.77
  6. Step 6: Final answer
    x = 122,214.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.