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Finding the Fourth Proportional to 72,566.66, 108,862.30 and 22,645.66

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Solution

The fourth proportional to 72,566.66, 108,862.30 and 22,645.66 is: 33,972.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,566.66 : 108,862.30 = 22,645.66 : x
  2. Step 2: Convert to fraction form
    72,566.66/108,862.30 = 22,645.66/x
  3. Step 3: Cross multiply
    72,566.66x = 108,862.30 × 22,645.66
  4. Step 4: Simplify right side
    72,566.66x = 2,465,258,632.62
  5. Step 5: Solve for x
    x = 2,465,258,632.62/72,566.66
  6. Step 6: Final answer
    x = 33,972.33

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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.