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Finding the Fourth Proportional to 93,176.46, 139,787.37 and 29,996.87

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Solution

The fourth proportional to 93,176.46, 139,787.37 and 29,996.87 is: 45,002.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,176.46 : 139,787.37 = 29,996.87 : x
  2. Step 2: Convert to fraction form
    93,176.46/139,787.37 = 29,996.87/x
  3. Step 3: Cross multiply
    93,176.46x = 139,787.37 × 29,996.87
  4. Step 4: Simplify right side
    93,176.46x = 4,193,182,866.60
  5. Step 5: Solve for x
    x = 4,193,182,866.60/93,176.46
  6. Step 6: Final answer
    x = 45,002.60

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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.