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Finding the Fourth Proportional to 107,812.88, 161,750.50 and 44,621.32

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Solution

The fourth proportional to 107,812.88, 161,750.50 and 44,621.32 is: 66,944.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,812.88 : 161,750.50 = 44,621.32 : x
  2. Step 2: Convert to fraction form
    107,812.88/161,750.50 = 44,621.32/x
  3. Step 3: Cross multiply
    107,812.88x = 161,750.50 × 44,621.32
  4. Step 4: Simplify right side
    107,812.88x = 7,217,520,820.66
  5. Step 5: Solve for x
    x = 7,217,520,820.66/107,812.88
  6. Step 6: Final answer
    x = 66,944.88

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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.