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Finding the Fourth Proportional to 144,894.74, 199,880.61 and 96,579.86

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Solution

The fourth proportional to 144,894.74, 199,880.61 and 96,579.86 is: 133,230.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,894.74 : 199,880.61 = 96,579.86 : x
  2. Step 2: Convert to fraction form
    144,894.74/199,880.61 = 96,579.86/x
  3. Step 3: Cross multiply
    144,894.74x = 199,880.61 × 96,579.86
  4. Step 4: Simplify right side
    144,894.74x = 19,304,441,330.51
  5. Step 5: Solve for x
    x = 19,304,441,330.51/144,894.74
  6. Step 6: Final answer
    x = 133,230.79

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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.