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Finding the Fourth Proportional to 61,663.74, 92,440.25 and 51,201

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Solution

The fourth proportional to 61,663.74, 92,440.25 and 51,201 is: 76,755.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,663.74 : 92,440.25 = 51,201 : x
  2. Step 2: Convert to fraction form
    61,663.74/92,440.25 = 51,201/x
  3. Step 3: Cross multiply
    61,663.74x = 92,440.25 × 51,201
  4. Step 4: Simplify right side
    61,663.74x = 4,733,032,984.25
  5. Step 5: Solve for x
    x = 4,733,032,984.25/61,663.74
  6. Step 6: Final answer
    x = 76,755.53

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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.