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Finding the Fourth Proportional to 73,495.84, 110,156.24 and 51,188.40

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Solution

The fourth proportional to 73,495.84, 110,156.24 and 51,188.40 is: 76,721.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,495.84 : 110,156.24 = 51,188.40 : x
  2. Step 2: Convert to fraction form
    73,495.84/110,156.24 = 51,188.40/x
  3. Step 3: Cross multiply
    73,495.84x = 110,156.24 × 51,188.40
  4. Step 4: Simplify right side
    73,495.84x = 5,638,721,675.62
  5. Step 5: Solve for x
    x = 5,638,721,675.62/73,495.84
  6. Step 6: Final answer
    x = 76,721.64

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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.