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Finding the Fourth Proportional to 93,855.92, 140,782.69 and 22,779.14

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Solution

The fourth proportional to 93,855.92, 140,782.69 and 22,779.14 is: 34,168.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,855.92 : 140,782.69 = 22,779.14 : x
  2. Step 2: Convert to fraction form
    93,855.92/140,782.69 = 22,779.14/x
  3. Step 3: Cross multiply
    93,855.92x = 140,782.69 × 22,779.14
  4. Step 4: Simplify right side
    93,855.92x = 3,206,908,721.55
  5. Step 5: Solve for x
    x = 3,206,908,721.55/93,855.92
  6. Step 6: Final answer
    x = 34,168.42

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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.