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Finding the Fourth Proportional to 168,647.40, 232,735.14 and 92,168.68

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Solution

The fourth proportional to 168,647.40, 232,735.14 and 92,168.68 is: 127,193.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,647.40 : 232,735.14 = 92,168.68 : x
  2. Step 2: Convert to fraction form
    168,647.40/232,735.14 = 92,168.68/x
  3. Step 3: Cross multiply
    168,647.40x = 232,735.14 × 92,168.68
  4. Step 4: Simplify right side
    168,647.40x = 21,450,890,643.42
  5. Step 5: Solve for x
    x = 21,450,890,643.42/168,647.40
  6. Step 6: Final answer
    x = 127,193.72

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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.