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Finding the Fourth Proportional to 106,660.60, 147,186.92 and 58,912.92

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Solution

The fourth proportional to 106,660.60, 147,186.92 and 58,912.92 is: 81,297.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,660.60 : 147,186.92 = 58,912.92 : x
  2. Step 2: Convert to fraction form
    106,660.60/147,186.92 = 58,912.92/x
  3. Step 3: Cross multiply
    106,660.60x = 147,186.92 × 58,912.92
  4. Step 4: Simplify right side
    106,660.60x = 8,671,211,390.29
  5. Step 5: Solve for x
    x = 8,671,211,390.29/106,660.60
  6. Step 6: Final answer
    x = 81,297.23

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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.