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Finding the Fourth Proportional to 72,383.17, 108,548.06 and 24,986.20

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Solution

The fourth proportional to 72,383.17, 108,548.06 and 24,986.20 is: 37,470.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,383.17 : 108,548.06 = 24,986.20 : x
  2. Step 2: Convert to fraction form
    72,383.17/108,548.06 = 24,986.20/x
  3. Step 3: Cross multiply
    72,383.17x = 108,548.06 × 24,986.20
  4. Step 4: Simplify right side
    72,383.17x = 2,712,202,994.03
  5. Step 5: Solve for x
    x = 2,712,202,994.03/72,383.17
  6. Step 6: Final answer
    x = 37,470.08

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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.