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Finding the Fourth Proportional to 72,866.03, 109,302.97 and 22,950.03

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Solution

The fourth proportional to 72,866.03, 109,302.97 and 22,950.03 is: 34,426.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,866.03 : 109,302.97 = 22,950.03 : x
  2. Step 2: Convert to fraction form
    72,866.03/109,302.97 = 22,950.03/x
  3. Step 3: Cross multiply
    72,866.03x = 109,302.97 × 22,950.03
  4. Step 4: Simplify right side
    72,866.03x = 2,508,506,739.31
  5. Step 5: Solve for x
    x = 2,508,506,739.31/72,866.03
  6. Step 6: Final answer
    x = 34,426.29

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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.