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Finding the Fourth Proportional to 168,409.20, 232,404.42 and 92,957.64

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Solution

The fourth proportional to 168,409.20, 232,404.42 and 92,957.64 is: 128,281.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,409.20 : 232,404.42 = 92,957.64 : x
  2. Step 2: Convert to fraction form
    168,409.20/232,404.42 = 92,957.64/x
  3. Step 3: Cross multiply
    168,409.20x = 232,404.42 × 92,957.64
  4. Step 4: Simplify right side
    168,409.20x = 21,603,766,408.77
  5. Step 5: Solve for x
    x = 21,603,766,408.77/168,409.20
  6. Step 6: Final answer
    x = 128,281.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.