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Finding the Fourth Proportional to 192,877.84, 289,314.06 and 188,112.88

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Solution

The fourth proportional to 192,877.84, 289,314.06 and 188,112.88 is: 282,166.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,877.84 : 289,314.06 = 188,112.88 : x
  2. Step 2: Convert to fraction form
    192,877.84/289,314.06 = 188,112.88/x
  3. Step 3: Cross multiply
    192,877.84x = 289,314.06 × 188,112.88
  4. Step 4: Simplify right side
    192,877.84x = 54,423,701,051.09
  5. Step 5: Solve for x
    x = 54,423,701,051.09/192,877.84
  6. Step 6: Final answer
    x = 282,166.69

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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.