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Finding the Fourth Proportional to 93,712.98, 140,569.47 and 27,153.15

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Solution

The fourth proportional to 93,712.98, 140,569.47 and 27,153.15 is: 40,729.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,712.98 : 140,569.47 = 27,153.15 : x
  2. Step 2: Convert to fraction form
    93,712.98/140,569.47 = 27,153.15/x
  3. Step 3: Cross multiply
    93,712.98x = 140,569.47 × 27,153.15
  4. Step 4: Simplify right side
    93,712.98x = 3,816,903,904.33
  5. Step 5: Solve for x
    x = 3,816,903,904.33/93,712.98
  6. Step 6: Final answer
    x = 40,729.73

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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.