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Finding the Fourth Proportional to 61,803.80, 92,699.28 and 41,940.80

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Solution

The fourth proportional to 61,803.80, 92,699.28 and 41,940.80 is: 62,906.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,803.80 : 92,699.28 = 41,940.80 : x
  2. Step 2: Convert to fraction form
    61,803.80/92,699.28 = 41,940.80/x
  3. Step 3: Cross multiply
    61,803.80x = 92,699.28 × 41,940.80
  4. Step 4: Simplify right side
    61,803.80x = 3,887,881,962.62
  5. Step 5: Solve for x
    x = 3,887,881,962.62/61,803.80
  6. Step 6: Final answer
    x = 62,906.84

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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.