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Finding the Fourth Proportional to 536,191.03, 804,286.03 and 136,831.80

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Solution

The fourth proportional to 536,191.03, 804,286.03 and 136,831.80 is: 205,247.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,191.03 : 804,286.03 = 136,831.80 : x
  2. Step 2: Convert to fraction form
    536,191.03/804,286.03 = 136,831.80/x
  3. Step 3: Cross multiply
    536,191.03x = 804,286.03 × 136,831.80
  4. Step 4: Simplify right side
    536,191.03x = 110,051,905,199.75
  5. Step 5: Solve for x
    x = 110,051,905,199.75/536,191.03
  6. Step 6: Final answer
    x = 205,247.57

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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.