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Finding the Fourth Proportional to 140,902, 211,349.28 and 41,089.75

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Solution

The fourth proportional to 140,902, 211,349.28 and 41,089.75 is: 61,633.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,902 : 211,349.28 = 41,089.75 : x
  2. Step 2: Convert to fraction form
    140,902/211,349.28 = 41,089.75/x
  3. Step 3: Cross multiply
    140,902x = 211,349.28 × 41,089.75
  4. Step 4: Simplify right side
    140,902x = 8,684,289,077.88
  5. Step 5: Solve for x
    x = 8,684,289,077.88/140,902
  6. Step 6: Final answer
    x = 61,633.54

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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.