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Finding the Fourth Proportional to 140,908.44, 211,244.22 and 65,989.08

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Solution

The fourth proportional to 140,908.44, 211,244.22 and 65,989.08 is: 98,928.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,908.44 : 211,244.22 = 65,989.08 : x
  2. Step 2: Convert to fraction form
    140,908.44/211,244.22 = 65,989.08/x
  3. Step 3: Cross multiply
    140,908.44x = 211,244.22 × 65,989.08
  4. Step 4: Simplify right side
    140,908.44x = 13,939,811,733.12
  5. Step 5: Solve for x
    x = 13,939,811,733.12/140,908.44
  6. Step 6: Final answer
    x = 98,928.15

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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.