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Finding the Fourth Proportional to 67,342.68, 92,930.08 and 36,715.11

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Solution

The fourth proportional to 67,342.68, 92,930.08 and 36,715.11 is: 50,665.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,342.68 : 92,930.08 = 36,715.11 : x
  2. Step 2: Convert to fraction form
    67,342.68/92,930.08 = 36,715.11/x
  3. Step 3: Cross multiply
    67,342.68x = 92,930.08 × 36,715.11
  4. Step 4: Simplify right side
    67,342.68x = 3,411,938,109.51
  5. Step 5: Solve for x
    x = 3,411,938,109.51/67,342.68
  6. Step 6: Final answer
    x = 50,665.32

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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.