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Finding the Fourth Proportional to 105,245.67, 157,893.40 and 34,168.17

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Solution

The fourth proportional to 105,245.67, 157,893.40 and 34,168.17 is: 51,260.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,245.67 : 157,893.40 = 34,168.17 : x
  2. Step 2: Convert to fraction form
    105,245.67/157,893.40 = 34,168.17/x
  3. Step 3: Cross multiply
    105,245.67x = 157,893.40 × 34,168.17
  4. Step 4: Simplify right side
    105,245.67x = 5,394,927,658.19
  5. Step 5: Solve for x
    x = 5,394,927,658.19/105,245.67
  6. Step 6: Final answer
    x = 51,260.33

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1.5x scale

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.