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Finding the Fourth Proportional to 535,524.77, 803,290.11 and 136,165.81

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Solution

The fourth proportional to 535,524.77, 803,290.11 and 136,165.81 is: 204,249.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,524.77 : 803,290.11 = 136,165.81 : x
  2. Step 2: Convert to fraction form
    535,524.77/803,290.11 = 136,165.81/x
  3. Step 3: Cross multiply
    535,524.77x = 803,290.11 × 136,165.81
  4. Step 4: Simplify right side
    535,524.77x = 109,380,648,246.39
  5. Step 5: Solve for x
    x = 109,380,648,246.39/535,524.77
  6. Step 6: Final answer
    x = 204,249.47

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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.