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Finding the Fourth Proportional to 536,761.46, 805,141.66 and 137,401.59

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Solution

The fourth proportional to 536,761.46, 805,141.66 and 137,401.59 is: 206,102.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,761.46 : 805,141.66 = 137,401.59 : x
  2. Step 2: Convert to fraction form
    536,761.46/805,141.66 = 137,401.59/x
  3. Step 3: Cross multiply
    536,761.46x = 805,141.66 × 137,401.59
  4. Step 4: Simplify right side
    536,761.46x = 110,627,744,259.24
  5. Step 5: Solve for x
    x = 110,627,744,259.24/536,761.46
  6. Step 6: Final answer
    x = 206,102.25

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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.