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Finding the Fourth Proportional to 101,513.54, 140,076.30 and 58,506.95

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Solution

The fourth proportional to 101,513.54, 140,076.30 and 58,506.95 is: 80,732.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,513.54 : 140,076.30 = 58,506.95 : x
  2. Step 2: Convert to fraction form
    101,513.54/140,076.30 = 58,506.95/x
  3. Step 3: Cross multiply
    101,513.54x = 140,076.30 × 58,506.95
  4. Step 4: Simplify right side
    101,513.54x = 8,195,436,379.90
  5. Step 5: Solve for x
    x = 8,195,436,379.90/101,513.54
  6. Step 6: Final answer
    x = 80,732.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.