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Finding the Fourth Proportional to 219,674.88, 303,156 and 124,175.88

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Solution

The fourth proportional to 219,674.88, 303,156 and 124,175.88 is: 171,365.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,674.88 : 303,156 = 124,175.88 : x
  2. Step 2: Convert to fraction form
    219,674.88/303,156 = 124,175.88/x
  3. Step 3: Cross multiply
    219,674.88x = 303,156 × 124,175.88
  4. Step 4: Simplify right side
    219,674.88x = 37,644,663,077.28
  5. Step 5: Solve for x
    x = 37,644,663,077.28/219,674.88
  6. Step 6: Final answer
    x = 171,365.35

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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.