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Finding the Fourth Proportional to 72,184.58, 108,288.54 and 22,253.00

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Solution

The fourth proportional to 72,184.58, 108,288.54 and 22,253.00 is: 33,383.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,184.58 : 108,288.54 = 22,253.00 : x
  2. Step 2: Convert to fraction form
    72,184.58/108,288.54 = 22,253.00/x
  3. Step 3: Cross multiply
    72,184.58x = 108,288.54 × 22,253.00
  4. Step 4: Simplify right side
    72,184.58x = 2,409,744,339.18
  5. Step 5: Solve for x
    x = 2,409,744,339.18/72,184.58
  6. Step 6: Final answer
    x = 33,383.09

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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.