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Finding the Fourth Proportional to 93,692.96, 140,552.40 and 38,276

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Solution

The fourth proportional to 93,692.96, 140,552.40 and 38,276 is: 57,419.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,692.96 : 140,552.40 = 38,276 : x
  2. Step 2: Convert to fraction form
    93,692.96/140,552.40 = 38,276/x
  3. Step 3: Cross multiply
    93,692.96x = 140,552.40 × 38,276
  4. Step 4: Simplify right side
    93,692.96x = 5,379,783,662.40
  5. Step 5: Solve for x
    x = 5,379,783,662.40/93,692.96
  6. Step 6: Final answer
    x = 57,419.29

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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.