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Finding the Fourth Proportional to 536,672.24, 805,002.68 and 137,309.84

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Solution

The fourth proportional to 536,672.24, 805,002.68 and 137,309.84 is: 205,963.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,672.24 : 805,002.68 = 137,309.84 : x
  2. Step 2: Convert to fraction form
    536,672.24/805,002.68 = 137,309.84/x
  3. Step 3: Cross multiply
    536,672.24x = 805,002.68 × 137,309.84
  4. Step 4: Simplify right side
    536,672.24x = 110,534,789,190.37
  5. Step 5: Solve for x
    x = 110,534,789,190.37/536,672.24
  6. Step 6: Final answer
    x = 205,963.31

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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.