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Finding the Fourth Proportional to 73,558.40, 110,364.32 and 36,114.48

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Solution

The fourth proportional to 73,558.40, 110,364.32 and 36,114.48 is: 54,184.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,558.40 : 110,364.32 = 36,114.48 : x
  2. Step 2: Convert to fraction form
    73,558.40/110,364.32 = 36,114.48/x
  3. Step 3: Cross multiply
    73,558.40x = 110,364.32 × 36,114.48
  4. Step 4: Simplify right side
    73,558.40x = 3,985,750,027.35
  5. Step 5: Solve for x
    x = 3,985,750,027.35/73,558.40
  6. Step 6: Final answer
    x = 54,184.84

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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.