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Finding the Fourth Proportional to 205,147.60, 307,575.60 and 92,881.60

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Solution

The fourth proportional to 205,147.60, 307,575.60 and 92,881.60 is: 139,256.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,147.60 : 307,575.60 = 92,881.60 : x
  2. Step 2: Convert to fraction form
    205,147.60/307,575.60 = 92,881.60/x
  3. Step 3: Cross multiply
    205,147.60x = 307,575.60 × 92,881.60
  4. Step 4: Simplify right side
    205,147.60x = 28,568,113,848.96
  5. Step 5: Solve for x
    x = 28,568,113,848.96/205,147.60
  6. Step 6: Final answer
    x = 139,256.39

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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.