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Finding the Fourth Proportional to 67,124.32, 92,629.78 and 36,496.45

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Solution

The fourth proportional to 67,124.32, 92,629.78 and 36,496.45 is: 50,364.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,124.32 : 92,629.78 = 36,496.45 : x
  2. Step 2: Convert to fraction form
    67,124.32/92,629.78 = 36,496.45/x
  3. Step 3: Cross multiply
    67,124.32x = 92,629.78 × 36,496.45
  4. Step 4: Simplify right side
    67,124.32x = 3,380,657,671.13
  5. Step 5: Solve for x
    x = 3,380,657,671.13/67,124.32
  6. Step 6: Final answer
    x = 50,364.13

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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.