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Finding the Fourth Proportional to 75,367.74, 104,015.74 and 43,105.34

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Solution

The fourth proportional to 75,367.74, 104,015.74 and 43,105.34 is: 59,490.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,367.74 : 104,015.74 = 43,105.34 : x
  2. Step 2: Convert to fraction form
    75,367.74/104,015.74 = 43,105.34/x
  3. Step 3: Cross multiply
    75,367.74x = 104,015.74 × 43,105.34
  4. Step 4: Simplify right side
    75,367.74x = 4,483,633,838.05
  5. Step 5: Solve for x
    x = 4,483,633,838.05/75,367.74
  6. Step 6: Final answer
    x = 59,490.09

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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.