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Finding the Fourth Proportional to 92,479.64, 127,621.22 and 50,037.56

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Solution

The fourth proportional to 92,479.64, 127,621.22 and 50,037.56 is: 69,051.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,479.64 : 127,621.22 = 50,037.56 : x
  2. Step 2: Convert to fraction form
    92,479.64/127,621.22 = 50,037.56/x
  3. Step 3: Cross multiply
    92,479.64x = 127,621.22 × 50,037.56
  4. Step 4: Simplify right side
    92,479.64x = 6,385,854,453.02
  5. Step 5: Solve for x
    x = 6,385,854,453.02/92,479.64
  6. Step 6: Final answer
    x = 69,051.46

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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.