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Finding the Fourth Proportional to 140,855.75, 211,239.02 and 46,064.03

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Solution

The fourth proportional to 140,855.75, 211,239.02 and 46,064.03 is: 69,081.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,855.75 : 211,239.02 = 46,064.03 : x
  2. Step 2: Convert to fraction form
    140,855.75/211,239.02 = 46,064.03/x
  3. Step 3: Cross multiply
    140,855.75x = 211,239.02 × 46,064.03
  4. Step 4: Simplify right side
    140,855.75x = 9,730,520,324.13
  5. Step 5: Solve for x
    x = 9,730,520,324.13/140,855.75
  6. Step 6: Final answer
    x = 69,081.46

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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.