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Finding the Fourth Proportional to 536,253.42, 804,379.20 and 136,894.14

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Solution

The fourth proportional to 536,253.42, 804,379.20 and 136,894.14 is: 205,340.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,253.42 : 804,379.20 = 136,894.14 : x
  2. Step 2: Convert to fraction form
    536,253.42/804,379.20 = 136,894.14/x
  3. Step 3: Cross multiply
    536,253.42x = 804,379.20 × 136,894.14
  4. Step 4: Simplify right side
    536,253.42x = 110,114,798,817.89
  5. Step 5: Solve for x
    x = 110,114,798,817.89/536,253.42
  6. Step 6: Final answer
    x = 205,340.97

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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.