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Finding the Fourth Proportional to 200,528.79, 300,819.85 and 93,898.19

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Solution

The fourth proportional to 200,528.79, 300,819.85 and 93,898.19 is: 140,859.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,528.79 : 300,819.85 = 93,898.19 : x
  2. Step 2: Convert to fraction form
    200,528.79/300,819.85 = 93,898.19/x
  3. Step 3: Cross multiply
    200,528.79x = 300,819.85 × 93,898.19
  4. Step 4: Simplify right side
    200,528.79x = 28,246,438,520.35
  5. Step 5: Solve for x
    x = 28,246,438,520.35/200,528.79
  6. Step 6: Final answer
    x = 140,859.77

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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.