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Finding the Fourth Proportional to 93,363.84, 139,914.54 and 40,662.81

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Solution

The fourth proportional to 93,363.84, 139,914.54 and 40,662.81 is: 60,937.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,363.84 : 139,914.54 = 40,662.81 : x
  2. Step 2: Convert to fraction form
    93,363.84/139,914.54 = 40,662.81/x
  3. Step 3: Cross multiply
    93,363.84x = 139,914.54 × 40,662.81
  4. Step 4: Simplify right side
    93,363.84x = 5,689,318,356.26
  5. Step 5: Solve for x
    x = 5,689,318,356.26/93,363.84
  6. Step 6: Final answer
    x = 60,937.06

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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.