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Finding the Fourth Proportional to 341,853.82, 512,775.06 and 131,537.32

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Solution

The fourth proportional to 341,853.82, 512,775.06 and 131,537.32 is: 197,303.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,853.82 : 512,775.06 = 131,537.32 : x
  2. Step 2: Convert to fraction form
    341,853.82/512,775.06 = 131,537.32/x
  3. Step 3: Cross multiply
    341,853.82x = 512,775.06 × 131,537.32
  4. Step 4: Simplify right side
    341,853.82x = 67,449,057,155.24
  5. Step 5: Solve for x
    x = 67,449,057,155.24/341,853.82
  6. Step 6: Final answer
    x = 197,303.80

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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.