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Finding the Fourth Proportional to 73,840.32, 110,668.32 and 36,914.88

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Solution

The fourth proportional to 73,840.32, 110,668.32 and 36,914.88 is: 55,326.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,840.32 : 110,668.32 = 36,914.88 : x
  2. Step 2: Convert to fraction form
    73,840.32/110,668.32 = 36,914.88/x
  3. Step 3: Cross multiply
    73,840.32x = 110,668.32 × 36,914.88
  4. Step 4: Simplify right side
    73,840.32x = 4,085,307,752.60
  5. Step 5: Solve for x
    x = 4,085,307,752.60/73,840.32
  6. Step 6: Final answer
    x = 55,326.25

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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.