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Finding the Fourth Proportional to 73,078.74, 109,595.84 and 37,999.26

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Solution

The fourth proportional to 73,078.74, 109,595.84 and 37,999.26 is: 56,987.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,078.74 : 109,595.84 = 37,999.26 : x
  2. Step 2: Convert to fraction form
    73,078.74/109,595.84 = 37,999.26/x
  3. Step 3: Cross multiply
    73,078.74x = 109,595.84 × 37,999.26
  4. Step 4: Simplify right side
    73,078.74x = 4,164,560,629.08
  5. Step 5: Solve for x
    x = 4,164,560,629.08/73,078.74
  6. Step 6: Final answer
    x = 56,987.31

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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.