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Finding the Fourth Proportional to 72,617.98, 108,927.05 and 22,698.34

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Solution

The fourth proportional to 72,617.98, 108,927.05 and 22,698.34 is: 34,047.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,617.98 : 108,927.05 = 22,698.34 : x
  2. Step 2: Convert to fraction form
    72,617.98/108,927.05 = 22,698.34/x
  3. Step 3: Cross multiply
    72,617.98x = 108,927.05 × 22,698.34
  4. Step 4: Simplify right side
    72,617.98x = 2,472,462,557.97
  5. Step 5: Solve for x
    x = 2,472,462,557.97/72,617.98
  6. Step 6: Final answer
    x = 34,047.53

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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.