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Finding the Fourth Proportional to 92,661.64, 127,869.62 and 50,219.24

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Solution

The fourth proportional to 92,661.64, 127,869.62 and 50,219.24 is: 69,300.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,661.64 : 127,869.62 = 50,219.24 : x
  2. Step 2: Convert to fraction form
    92,661.64/127,869.62 = 50,219.24/x
  3. Step 3: Cross multiply
    92,661.64x = 127,869.62 × 50,219.24
  4. Step 4: Simplify right side
    92,661.64x = 6,421,515,135.49
  5. Step 5: Solve for x
    x = 6,421,515,135.49/92,661.64
  6. Step 6: Final answer
    x = 69,300.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.