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Finding the Fourth Proportional to 51,101.88, 76,653.02 and 14,165.88

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Solution

The fourth proportional to 51,101.88, 76,653.02 and 14,165.88 is: 21,248.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,101.88 : 76,653.02 = 14,165.88 : x
  2. Step 2: Convert to fraction form
    51,101.88/76,653.02 = 14,165.88/x
  3. Step 3: Cross multiply
    51,101.88x = 76,653.02 × 14,165.88
  4. Step 4: Simplify right side
    51,101.88x = 1,085,857,482.96
  5. Step 5: Solve for x
    x = 1,085,857,482.96/51,101.88
  6. Step 6: Final answer
    x = 21,248.88

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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.