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Finding the Fourth Proportional to 66,937.76, 100,269.95 and 37,371.34

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Solution

The fourth proportional to 66,937.76, 100,269.95 and 37,371.34 is: 55,980.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,937.76 : 100,269.95 = 37,371.34 : x
  2. Step 2: Convert to fraction form
    66,937.76/100,269.95 = 37,371.34/x
  3. Step 3: Cross multiply
    66,937.76x = 100,269.95 × 37,371.34
  4. Step 4: Simplify right side
    66,937.76x = 3,747,222,393.23
  5. Step 5: Solve for x
    x = 3,747,222,393.23/66,937.76
  6. Step 6: Final answer
    x = 55,980.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.