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Finding the Fourth Proportional to 371,383.14, 557,074.71 and 134,725.98

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Solution

The fourth proportional to 371,383.14, 557,074.71 and 134,725.98 is: 202,088.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,383.14 : 557,074.71 = 134,725.98 : x
  2. Step 2: Convert to fraction form
    371,383.14/557,074.71 = 134,725.98/x
  3. Step 3: Cross multiply
    371,383.14x = 557,074.71 × 134,725.98
  4. Step 4: Simplify right side
    371,383.14x = 75,052,436,237.97
  5. Step 5: Solve for x
    x = 75,052,436,237.97/371,383.14
  6. Step 6: Final answer
    x = 202,088.97

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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.