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Finding the Fourth Proportional to 93,696, 140,563.44 and 38,292

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Solution

The fourth proportional to 93,696, 140,563.44 and 38,292 is: 57,445.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,696 : 140,563.44 = 38,292 : x
  2. Step 2: Convert to fraction form
    93,696/140,563.44 = 38,292/x
  3. Step 3: Cross multiply
    93,696x = 140,563.44 × 38,292
  4. Step 4: Simplify right side
    93,696x = 5,382,455,244.48
  5. Step 5: Solve for x
    x = 5,382,455,244.48/93,696
  6. Step 6: Final answer
    x = 57,445.94

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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.