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Finding the Fourth Proportional to 536,186.91, 804,279.84 and 136,827.67

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Solution

The fourth proportional to 536,186.91, 804,279.84 and 136,827.67 is: 205,241.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,186.91 : 804,279.84 = 136,827.67 : x
  2. Step 2: Convert to fraction form
    536,186.91/804,279.84 = 136,827.67/x
  3. Step 3: Cross multiply
    536,186.91x = 804,279.84 × 136,827.67
  4. Step 4: Simplify right side
    536,186.91x = 110,047,736,535.17
  5. Step 5: Solve for x
    x = 110,047,736,535.17/536,186.91
  6. Step 6: Final answer
    x = 205,241.37

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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.