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Finding the Fourth Proportional to 151,311.63, 226,840.38 and 65,858.66

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Solution

The fourth proportional to 151,311.63, 226,840.38 and 65,858.66 is: 98,732.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,311.63 : 226,840.38 = 65,858.66 : x
  2. Step 2: Convert to fraction form
    151,311.63/226,840.38 = 65,858.66/x
  3. Step 3: Cross multiply
    151,311.63x = 226,840.38 × 65,858.66
  4. Step 4: Simplify right side
    151,311.63x = 14,939,403,460.69
  5. Step 5: Solve for x
    x = 14,939,403,460.69/151,311.63
  6. Step 6: Final answer
    x = 98,732.68

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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.