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Finding the Fourth Proportional to 72,804.52, 109,206.65 and 22,888.97

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Solution

The fourth proportional to 72,804.52, 109,206.65 and 22,888.97 is: 34,333.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,804.52 : 109,206.65 = 22,888.97 : x
  2. Step 2: Convert to fraction form
    72,804.52/109,206.65 = 22,888.97/x
  3. Step 3: Cross multiply
    72,804.52x = 109,206.65 × 22,888.97
  4. Step 4: Simplify right side
    72,804.52x = 2,499,627,735.65
  5. Step 5: Solve for x
    x = 2,499,627,735.65/72,804.52
  6. Step 6: Final answer
    x = 34,333.42

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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.