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Finding the Fourth Proportional to 536,892.45, 805,320.11 and 137,537.15

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Solution

The fourth proportional to 536,892.45, 805,320.11 and 137,537.15 is: 206,300.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,892.45 : 805,320.11 = 137,537.15 : x
  2. Step 2: Convert to fraction form
    536,892.45/805,320.11 = 137,537.15/x
  3. Step 3: Cross multiply
    536,892.45x = 805,320.11 × 137,537.15
  4. Step 4: Simplify right side
    536,892.45x = 110,761,428,052.80
  5. Step 5: Solve for x
    x = 110,761,428,052.80/536,892.45
  6. Step 6: Final answer
    x = 206,300.96

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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.