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Finding the Fourth Proportional to 67,369.80, 92,970.27 and 37,157.07

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Solution

The fourth proportional to 67,369.80, 92,970.27 and 37,157.07 is: 51,276.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,369.80 : 92,970.27 = 37,157.07 : x
  2. Step 2: Convert to fraction form
    67,369.80/92,970.27 = 37,157.07/x
  3. Step 3: Cross multiply
    67,369.80x = 92,970.27 × 37,157.07
  4. Step 4: Simplify right side
    67,369.80x = 3,454,502,830.31
  5. Step 5: Solve for x
    x = 3,454,502,830.31/67,369.80
  6. Step 6: Final answer
    x = 51,276.73

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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.