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Finding the Fourth Proportional to 113,809.44, 170,741.85 and 37,907.79

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Solution

The fourth proportional to 113,809.44, 170,741.85 and 37,907.79 is: 56,870.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,809.44 : 170,741.85 = 37,907.79 : x
  2. Step 2: Convert to fraction form
    113,809.44/170,741.85 = 37,907.79/x
  3. Step 3: Cross multiply
    113,809.44x = 170,741.85 × 37,907.79
  4. Step 4: Simplify right side
    113,809.44x = 6,472,446,194.01
  5. Step 5: Solve for x
    x = 6,472,446,194.01/113,809.44
  6. Step 6: Final answer
    x = 56,870.91

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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.