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Finding the Fourth Proportional to 171,903.92, 257,946.60 and 93,003.44

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Solution

The fourth proportional to 171,903.92, 257,946.60 and 93,003.44 is: 139,554.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,903.92 : 257,946.60 = 93,003.44 : x
  2. Step 2: Convert to fraction form
    171,903.92/257,946.60 = 93,003.44/x
  3. Step 3: Cross multiply
    171,903.92x = 257,946.60 × 93,003.44
  4. Step 4: Simplify right side
    171,903.92x = 23,989,921,136.30
  5. Step 5: Solve for x
    x = 23,989,921,136.30/171,903.92
  6. Step 6: Final answer
    x = 139,554.24

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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.