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Finding the Fourth Proportional to 61,068.39, 92,018.60 and 50,218.14

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Solution

The fourth proportional to 61,068.39, 92,018.60 and 50,218.14 is: 75,669.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,068.39 : 92,018.60 = 50,218.14 : x
  2. Step 2: Convert to fraction form
    61,068.39/92,018.60 = 50,218.14/x
  3. Step 3: Cross multiply
    61,068.39x = 92,018.60 × 50,218.14
  4. Step 4: Simplify right side
    61,068.39x = 4,621,002,686.31
  5. Step 5: Solve for x
    x = 4,621,002,686.31/61,068.39
  6. Step 6: Final answer
    x = 75,669.31

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.