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Finding the Fourth Proportional to 237,404.78, 356,160.50 and 79,629.20

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Solution

The fourth proportional to 237,404.78, 356,160.50 and 79,629.20 is: 119,461.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,404.78 : 356,160.50 = 79,629.20 : x
  2. Step 2: Convert to fraction form
    237,404.78/356,160.50 = 79,629.20/x
  3. Step 3: Cross multiply
    237,404.78x = 356,160.50 × 79,629.20
  4. Step 4: Simplify right side
    237,404.78x = 28,360,775,686.60
  5. Step 5: Solve for x
    x = 28,360,775,686.60/237,404.78
  6. Step 6: Final answer
    x = 119,461.69

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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.