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Finding the Fourth Proportional to 107,090.76, 147,786.12 and 59,344.90

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Solution

The fourth proportional to 107,090.76, 147,786.12 and 59,344.90 is: 81,896.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,090.76 : 147,786.12 = 59,344.90 : x
  2. Step 2: Convert to fraction form
    107,090.76/147,786.12 = 59,344.90/x
  3. Step 3: Cross multiply
    107,090.76x = 147,786.12 × 59,344.90
  4. Step 4: Simplify right side
    107,090.76x = 8,770,352,512.79
  5. Step 5: Solve for x
    x = 8,770,352,512.79/107,090.76
  6. Step 6: Final answer
    x = 81,896.44

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Double scale
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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.