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Finding the Fourth Proportional to 93,058.50, 139,600.68 and 29,863.80

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Solution

The fourth proportional to 93,058.50, 139,600.68 and 29,863.80 is: 44,799.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,058.50 : 139,600.68 = 29,863.80 : x
  2. Step 2: Convert to fraction form
    93,058.50/139,600.68 = 29,863.80/x
  3. Step 3: Cross multiply
    93,058.50x = 139,600.68 × 29,863.80
  4. Step 4: Simplify right side
    93,058.50x = 4,169,006,787.38
  5. Step 5: Solve for x
    x = 4,169,006,787.38/93,058.50
  6. Step 6: Final answer
    x = 44,799.85

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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.