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Finding the Fourth Proportional to 74,744.44, 112,117.06 and 19,340.44

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Solution

The fourth proportional to 74,744.44, 112,117.06 and 19,340.44 is: 29,010.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,744.44 : 112,117.06 = 19,340.44 : x
  2. Step 2: Convert to fraction form
    74,744.44/112,117.06 = 19,340.44/x
  3. Step 3: Cross multiply
    74,744.44x = 112,117.06 × 19,340.44
  4. Step 4: Simplify right side
    74,744.44x = 2,168,393,015.79
  5. Step 5: Solve for x
    x = 2,168,393,015.79/74,744.44
  6. Step 6: Final answer
    x = 29,010.76

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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.