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Finding the Fourth Proportional to 570,791.42, 856,118.97 and 150,100.06

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Solution

The fourth proportional to 570,791.42, 856,118.97 and 150,100.06 is: 225,132.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,791.42 : 856,118.97 = 150,100.06 : x
  2. Step 2: Convert to fraction form
    570,791.42/856,118.97 = 150,100.06/x
  3. Step 3: Cross multiply
    570,791.42x = 856,118.97 × 150,100.06
  4. Step 4: Simplify right side
    570,791.42x = 128,503,508,764.14
  5. Step 5: Solve for x
    x = 128,503,508,764.14/570,791.42
  6. Step 6: Final answer
    x = 225,132.17

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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.