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Finding the Fourth Proportional to 536,190.53, 804,285.27 and 136,831.31

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Solution

The fourth proportional to 536,190.53, 804,285.27 and 136,831.31 is: 205,246.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,190.53 : 804,285.27 = 136,831.31 : x
  2. Step 2: Convert to fraction form
    536,190.53/804,285.27 = 136,831.31/x
  3. Step 3: Cross multiply
    536,190.53x = 804,285.27 × 136,831.31
  4. Step 4: Simplify right side
    536,190.53x = 110,051,407,107.80
  5. Step 5: Solve for x
    x = 110,051,407,107.80/536,190.53
  6. Step 6: Final answer
    x = 205,246.83

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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.