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Finding the Fourth Proportional to 192,097.16, 264,776.82 and 128,411.72

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Solution

The fourth proportional to 192,097.16, 264,776.82 and 128,411.72 is: 176,996.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,097.16 : 264,776.82 = 128,411.72 : x
  2. Step 2: Convert to fraction form
    192,097.16/264,776.82 = 128,411.72/x
  3. Step 3: Cross multiply
    192,097.16x = 264,776.82 × 128,411.72
  4. Step 4: Simplify right side
    192,097.16x = 34,000,446,872.33
  5. Step 5: Solve for x
    x = 34,000,446,872.33/192,097.16
  6. Step 6: Final answer
    x = 176,996.09

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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.