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Finding the Fourth Proportional to 93,377.70, 139,969.35 and 51,192.90

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Solution

The fourth proportional to 93,377.70, 139,969.35 and 51,192.90 is: 76,736.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,377.70 : 139,969.35 = 51,192.90 : x
  2. Step 2: Convert to fraction form
    93,377.70/139,969.35 = 51,192.90/x
  3. Step 3: Cross multiply
    93,377.70x = 139,969.35 × 51,192.90
  4. Step 4: Simplify right side
    93,377.70x = 7,165,436,937.62
  5. Step 5: Solve for x
    x = 7,165,436,937.62/93,377.70
  6. Step 6: Final answer
    x = 76,736.06

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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.