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Finding the Fourth Proportional to 353,814.39, 530,723.41 and 101,124.77

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Solution

The fourth proportional to 353,814.39, 530,723.41 and 101,124.77 is: 151,687.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,814.39 : 530,723.41 = 101,124.77 : x
  2. Step 2: Convert to fraction form
    353,814.39/530,723.41 = 101,124.77/x
  3. Step 3: Cross multiply
    353,814.39x = 530,723.41 × 101,124.77
  4. Step 4: Simplify right side
    353,814.39x = 53,669,279,863.44
  5. Step 5: Solve for x
    x = 53,669,279,863.44/353,814.39
  6. Step 6: Final answer
    x = 151,687.67

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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.