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Finding the Fourth Proportional to 72,799.90, 109,199.90 and 22,884.35

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Solution

The fourth proportional to 72,799.90, 109,199.90 and 22,884.35 is: 34,326.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,799.90 : 109,199.90 = 22,884.35 : x
  2. Step 2: Convert to fraction form
    72,799.90/109,199.90 = 22,884.35/x
  3. Step 3: Cross multiply
    72,799.90x = 109,199.90 × 22,884.35
  4. Step 4: Simplify right side
    72,799.90x = 2,498,968,242.78
  5. Step 5: Solve for x
    x = 2,498,968,242.78/72,799.90
  6. Step 6: Final answer
    x = 34,326.54

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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.