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Finding the Fourth Proportional to 100,943.84, 151,449.48 and 44,776.22

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Solution

The fourth proportional to 100,943.84, 151,449.48 and 44,776.22 is: 67,179.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,943.84 : 151,449.48 = 44,776.22 : x
  2. Step 2: Convert to fraction form
    100,943.84/151,449.48 = 44,776.22/x
  3. Step 3: Cross multiply
    100,943.84x = 151,449.48 × 44,776.22
  4. Step 4: Simplify right side
    100,943.84x = 6,781,334,478.12
  5. Step 5: Solve for x
    x = 6,781,334,478.12/100,943.84
  6. Step 6: Final answer
    x = 67,179.28

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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.