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Finding the Fourth Proportional to 122,588.61, 183,893.49 and 33,842.13

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Solution

The fourth proportional to 122,588.61, 183,893.49 and 33,842.13 is: 50,766.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,588.61 : 183,893.49 = 33,842.13 : x
  2. Step 2: Convert to fraction form
    122,588.61/183,893.49 = 33,842.13/x
  3. Step 3: Cross multiply
    122,588.61x = 183,893.49 × 33,842.13
  4. Step 4: Simplify right side
    122,588.61x = 6,223,347,394.73
  5. Step 5: Solve for x
    x = 6,223,347,394.73/122,588.61
  6. Step 6: Final answer
    x = 50,766.11

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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.