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Finding the Fourth Proportional to 93,122.92, 139,706.16 and 30,793.42

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Solution

The fourth proportional to 93,122.92, 139,706.16 and 30,793.42 is: 46,197.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,122.92 : 139,706.16 = 30,793.42 : x
  2. Step 2: Convert to fraction form
    93,122.92/139,706.16 = 30,793.42/x
  3. Step 3: Cross multiply
    93,122.92x = 139,706.16 × 30,793.42
  4. Step 4: Simplify right side
    93,122.92x = 4,302,030,461.47
  5. Step 5: Solve for x
    x = 4,302,030,461.47/93,122.92
  6. Step 6: Final answer
    x = 46,197.33

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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.