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Finding the Fourth Proportional to 255,194.61, 382,773.45 and 122,039.11

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Solution

The fourth proportional to 255,194.61, 382,773.45 and 122,039.11 is: 183,049.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,194.61 : 382,773.45 = 122,039.11 : x
  2. Step 2: Convert to fraction form
    255,194.61/382,773.45 = 122,039.11/x
  3. Step 3: Cross multiply
    255,194.61x = 382,773.45 × 122,039.11
  4. Step 4: Simplify right side
    255,194.61x = 46,713,332,105.74
  5. Step 5: Solve for x
    x = 46,713,332,105.74/255,194.61
  6. Step 6: Final answer
    x = 183,049.84

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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.