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Finding the Fourth Proportional to 536,771.66, 805,138.94 and 137,415.86

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Solution

The fourth proportional to 536,771.66, 805,138.94 and 137,415.86 is: 206,119.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,771.66 : 805,138.94 = 137,415.86 : x
  2. Step 2: Convert to fraction form
    536,771.66/805,138.94 = 137,415.86/x
  3. Step 3: Cross multiply
    536,771.66x = 805,138.94 × 137,415.86
  4. Step 4: Simplify right side
    536,771.66x = 110,638,859,859.59
  5. Step 5: Solve for x
    x = 110,638,859,859.59/536,771.66
  6. Step 6: Final answer
    x = 206,119.04

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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.