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Finding the Fourth Proportional to 351,302, 527,036.88 and 114,645.12

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Solution

The fourth proportional to 351,302, 527,036.88 and 114,645.12 is: 171,995.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,302 : 527,036.88 = 114,645.12 : x
  2. Step 2: Convert to fraction form
    351,302/527,036.88 = 114,645.12/x
  3. Step 3: Cross multiply
    351,302x = 527,036.88 × 114,645.12
  4. Step 4: Simplify right side
    351,302x = 60,422,206,352.03
  5. Step 5: Solve for x
    x = 60,422,206,352.03/351,302
  6. Step 6: Final answer
    x = 171,995.05

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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.