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Finding the Fourth Proportional to 93,689.92, 140,590.20 and 34,566.88

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Solution

The fourth proportional to 93,689.92, 140,590.20 and 34,566.88 is: 51,870.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,689.92 : 140,590.20 = 34,566.88 : x
  2. Step 2: Convert to fraction form
    93,689.92/140,590.20 = 34,566.88/x
  3. Step 3: Cross multiply
    93,689.92x = 140,590.20 × 34,566.88
  4. Step 4: Simplify right side
    93,689.92x = 4,859,764,572.58
  5. Step 5: Solve for x
    x = 4,859,764,572.58/93,689.92
  6. Step 6: Final answer
    x = 51,870.73

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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.