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Finding the Fourth Proportional to 122,092.67, 182,843.73 and 105,558.95

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Solution

The fourth proportional to 122,092.67, 182,843.73 and 105,558.95 is: 158,083.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,092.67 : 182,843.73 = 105,558.95 : x
  2. Step 2: Convert to fraction form
    122,092.67/182,843.73 = 105,558.95/x
  3. Step 3: Cross multiply
    122,092.67x = 182,843.73 × 105,558.95
  4. Step 4: Simplify right side
    122,092.67x = 19,300,791,581.50
  5. Step 5: Solve for x
    x = 19,300,791,581.50/122,092.67
  6. Step 6: Final answer
    x = 158,083.14

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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.