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Finding the Fourth Proportional to 151,347.60, 226,859.40 and 51,415.20

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Solution

The fourth proportional to 151,347.60, 226,859.40 and 51,415.20 is: 77,067.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,347.60 : 226,859.40 = 51,415.20 : x
  2. Step 2: Convert to fraction form
    151,347.60/226,859.40 = 51,415.20/x
  3. Step 3: Cross multiply
    151,347.60x = 226,859.40 × 51,415.20
  4. Step 4: Simplify right side
    151,347.60x = 11,664,021,422.88
  5. Step 5: Solve for x
    x = 11,664,021,422.88/151,347.60
  6. Step 6: Final answer
    x = 77,067.77

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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.