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Finding the Fourth Proportional to 75,980.49, 104,850.01 and 44,146.88

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Solution

The fourth proportional to 75,980.49, 104,850.01 and 44,146.88 is: 60,920.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,980.49 : 104,850.01 = 44,146.88 : x
  2. Step 2: Convert to fraction form
    75,980.49/104,850.01 = 44,146.88/x
  3. Step 3: Cross multiply
    75,980.49x = 104,850.01 × 44,146.88
  4. Step 4: Simplify right side
    75,980.49x = 4,628,800,809.47
  5. Step 5: Solve for x
    x = 4,628,800,809.47/75,980.49
  6. Step 6: Final answer
    x = 60,920.91

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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.