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Finding the Fourth Proportional to 67,368.42, 92,972.69 and 37,153.80

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Solution

The fourth proportional to 67,368.42, 92,972.69 and 37,153.80 is: 51,274.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,368.42 : 92,972.69 = 37,153.80 : x
  2. Step 2: Convert to fraction form
    67,368.42/92,972.69 = 37,153.80/x
  3. Step 3: Cross multiply
    67,368.42x = 92,972.69 × 37,153.80
  4. Step 4: Simplify right side
    67,368.42x = 3,454,288,543.95
  5. Step 5: Solve for x
    x = 3,454,288,543.95/67,368.42
  6. Step 6: Final answer
    x = 51,274.60

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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.