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Finding the Fourth Proportional to 357,067.20, 535,600.26 and 146,556.84

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Solution

The fourth proportional to 357,067.20, 535,600.26 and 146,556.84 is: 219,835.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,067.20 : 535,600.26 = 146,556.84 : x
  2. Step 2: Convert to fraction form
    357,067.20/535,600.26 = 146,556.84/x
  3. Step 3: Cross multiply
    357,067.20x = 535,600.26 × 146,556.84
  4. Step 4: Simplify right side
    357,067.20x = 78,495,881,608.78
  5. Step 5: Solve for x
    x = 78,495,881,608.78/357,067.20
  6. Step 6: Final answer
    x = 219,835.04

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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.