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Finding the Fourth Proportional to 66,916.44, 92,344.68 and 37,108.44

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Solution

The fourth proportional to 66,916.44, 92,344.68 and 37,108.44 is: 51,209.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,916.44 : 92,344.68 = 37,108.44 : x
  2. Step 2: Convert to fraction form
    66,916.44/92,344.68 = 37,108.44/x
  3. Step 3: Cross multiply
    66,916.44x = 92,344.68 × 37,108.44
  4. Step 4: Simplify right side
    66,916.44x = 3,426,767,017.10
  5. Step 5: Solve for x
    x = 3,426,767,017.10/66,916.44
  6. Step 6: Final answer
    x = 51,209.64

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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.