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Finding the Fourth Proportional to 164,862.72, 227,525.67 and 103,618.87

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Solution

The fourth proportional to 164,862.72, 227,525.67 and 103,618.87 is: 143,003.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,862.72 : 227,525.67 = 103,618.87 : x
  2. Step 2: Convert to fraction form
    164,862.72/227,525.67 = 103,618.87/x
  3. Step 3: Cross multiply
    164,862.72x = 227,525.67 × 103,618.87
  4. Step 4: Simplify right side
    164,862.72x = 23,575,952,821.39
  5. Step 5: Solve for x
    x = 23,575,952,821.39/164,862.72
  6. Step 6: Final answer
    x = 143,003.54

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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.