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Finding the Fourth Proportional to 204,881.84, 282,755.59 and 124,329.86

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Solution

The fourth proportional to 204,881.84, 282,755.59 and 124,329.86 is: 171,586.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,881.84 : 282,755.59 = 124,329.86 : x
  2. Step 2: Convert to fraction form
    204,881.84/282,755.59 = 124,329.86/x
  3. Step 3: Cross multiply
    204,881.84x = 282,755.59 × 124,329.86
  4. Step 4: Simplify right side
    204,881.84x = 35,154,961,194.31
  5. Step 5: Solve for x
    x = 35,154,961,194.31/204,881.84
  6. Step 6: Final answer
    x = 171,586.52

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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.