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Finding the Fourth Proportional to 245,256.90, 367,542.82 and 118,863.60

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Solution

The fourth proportional to 245,256.90, 367,542.82 and 118,863.60 is: 178,129.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,256.90 : 367,542.82 = 118,863.60 : x
  2. Step 2: Convert to fraction form
    245,256.90/367,542.82 = 118,863.60/x
  3. Step 3: Cross multiply
    245,256.90x = 367,542.82 × 118,863.60
  4. Step 4: Simplify right side
    245,256.90x = 43,687,462,739.35
  5. Step 5: Solve for x
    x = 43,687,462,739.35/245,256.90
  6. Step 6: Final answer
    x = 178,129.39

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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.