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Finding the Fourth Proportional to 107,243.32, 147,944.46 and 64,193.44

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Solution

The fourth proportional to 107,243.32, 147,944.46 and 64,193.44 is: 88,556.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,243.32 : 147,944.46 = 64,193.44 : x
  2. Step 2: Convert to fraction form
    107,243.32/147,944.46 = 64,193.44/x
  3. Step 3: Cross multiply
    107,243.32x = 147,944.46 × 64,193.44
  4. Step 4: Simplify right side
    107,243.32x = 9,497,063,816.34
  5. Step 5: Solve for x
    x = 9,497,063,816.34/107,243.32
  6. Step 6: Final answer
    x = 88,556.23

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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.