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Finding the Fourth Proportional to 93,591, 140,346.54 and 54,175.32

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Solution

The fourth proportional to 93,591, 140,346.54 and 54,175.32 is: 81,239.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,591 : 140,346.54 = 54,175.32 : x
  2. Step 2: Convert to fraction form
    93,591/140,346.54 = 54,175.32/x
  3. Step 3: Cross multiply
    93,591x = 140,346.54 × 54,175.32
  4. Step 4: Simplify right side
    93,591x = 7,603,318,715.39
  5. Step 5: Solve for x
    x = 7,603,318,715.39/93,591
  6. Step 6: Final answer
    x = 81,239.85

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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.