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Finding the Fourth Proportional to 73,368.48, 109,962 and 41,805

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Solution

The fourth proportional to 73,368.48, 109,962 and 41,805 is: 62,655.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,368.48 : 109,962 = 41,805 : x
  2. Step 2: Convert to fraction form
    73,368.48/109,962 = 41,805/x
  3. Step 3: Cross multiply
    73,368.48x = 109,962 × 41,805
  4. Step 4: Simplify right side
    73,368.48x = 4,596,961,410
  5. Step 5: Solve for x
    x = 4,596,961,410/73,368.48
  6. Step 6: Final answer
    x = 62,655.81

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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.