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Finding the Fourth Proportional to 102,048.21, 153,086.17 and 35,479.73

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Solution

The fourth proportional to 102,048.21, 153,086.17 and 35,479.73 is: 53,224.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,048.21 : 153,086.17 = 35,479.73 : x
  2. Step 2: Convert to fraction form
    102,048.21/153,086.17 = 35,479.73/x
  3. Step 3: Cross multiply
    102,048.21x = 153,086.17 × 35,479.73
  4. Step 4: Simplify right side
    102,048.21x = 5,431,455,212.90
  5. Step 5: Solve for x
    x = 5,431,455,212.90/102,048.21
  6. Step 6: Final answer
    x = 53,224.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.