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Finding the Fourth Proportional to 93,372.84, 139,928.04 and 40,671.81

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Solution

The fourth proportional to 93,372.84, 139,928.04 and 40,671.81 is: 60,950.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,372.84 : 139,928.04 = 40,671.81 : x
  2. Step 2: Convert to fraction form
    93,372.84/139,928.04 = 40,671.81/x
  3. Step 3: Cross multiply
    93,372.84x = 139,928.04 × 40,671.81
  4. Step 4: Simplify right side
    93,372.84x = 5,691,126,656.55
  5. Step 5: Solve for x
    x = 5,691,126,656.55/93,372.84
  6. Step 6: Final answer
    x = 60,950.56

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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.