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Finding the Fourth Proportional to 92,718.12, 139,015.74 and 33,546

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Solution

The fourth proportional to 92,718.12, 139,015.74 and 33,546 is: 50,296.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,718.12 : 139,015.74 = 33,546 : x
  2. Step 2: Convert to fraction form
    92,718.12/139,015.74 = 33,546/x
  3. Step 3: Cross multiply
    92,718.12x = 139,015.74 × 33,546
  4. Step 4: Simplify right side
    92,718.12x = 4,663,422,014.04
  5. Step 5: Solve for x
    x = 4,663,422,014.04/92,718.12
  6. Step 6: Final answer
    x = 50,296.77

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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.