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Finding the Fourth Proportional to 101,195.76, 139,662.46 and 58,754.30

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Solution

The fourth proportional to 101,195.76, 139,662.46 and 58,754.30 is: 81,088.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,195.76 : 139,662.46 = 58,754.30 : x
  2. Step 2: Convert to fraction form
    101,195.76/139,662.46 = 58,754.30/x
  3. Step 3: Cross multiply
    101,195.76x = 139,662.46 × 58,754.30
  4. Step 4: Simplify right side
    101,195.76x = 8,205,770,073.58
  5. Step 5: Solve for x
    x = 8,205,770,073.58/101,195.76
  6. Step 6: Final answer
    x = 81,088.08

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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.