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Finding the Fourth Proportional to 100,008.34, 149,966.34 and 36,812.62

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Solution

The fourth proportional to 100,008.34, 149,966.34 and 36,812.62 is: 55,201.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,008.34 : 149,966.34 = 36,812.62 : x
  2. Step 2: Convert to fraction form
    100,008.34/149,966.34 = 36,812.62/x
  3. Step 3: Cross multiply
    100,008.34x = 149,966.34 × 36,812.62
  4. Step 4: Simplify right side
    100,008.34x = 5,520,653,887.21
  5. Step 5: Solve for x
    x = 5,520,653,887.21/100,008.34
  6. Step 6: Final answer
    x = 55,201.94

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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.