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Finding the Fourth Proportional to 72,653.75, 108,966.95 and 22,726.36

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Solution

The fourth proportional to 72,653.75, 108,966.95 and 22,726.36 is: 34,085.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,653.75 : 108,966.95 = 22,726.36 : x
  2. Step 2: Convert to fraction form
    72,653.75/108,966.95 = 22,726.36/x
  3. Step 3: Cross multiply
    72,653.75x = 108,966.95 × 22,726.36
  4. Step 4: Simplify right side
    72,653.75x = 2,476,422,133.80
  5. Step 5: Solve for x
    x = 2,476,422,133.80/72,653.75
  6. Step 6: Final answer
    x = 34,085.26

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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.