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Finding the Fourth Proportional to 67,368.60, 92,975.24 and 50,343.28

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Solution

The fourth proportional to 67,368.60, 92,975.24 and 50,343.28 is: 69,478.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,368.60 : 92,975.24 = 50,343.28 : x
  2. Step 2: Convert to fraction form
    67,368.60/92,975.24 = 50,343.28/x
  3. Step 3: Cross multiply
    67,368.60x = 92,975.24 × 50,343.28
  4. Step 4: Simplify right side
    67,368.60x = 4,680,677,823.79
  5. Step 5: Solve for x
    x = 4,680,677,823.79/67,368.60
  6. Step 6: Final answer
    x = 69,478.63

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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.