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Finding the Fourth Proportional to 67,179.50, 92,707.80 and 37,371.50

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Solution

The fourth proportional to 67,179.50, 92,707.80 and 37,371.50 is: 51,572.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,179.50 : 92,707.80 = 37,371.50 : x
  2. Step 2: Convert to fraction form
    67,179.50/92,707.80 = 37,371.50/x
  3. Step 3: Cross multiply
    67,179.50x = 92,707.80 × 37,371.50
  4. Step 4: Simplify right side
    67,179.50x = 3,464,629,547.70
  5. Step 5: Solve for x
    x = 3,464,629,547.70/67,179.50
  6. Step 6: Final answer
    x = 51,572.72

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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.