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Finding the Fourth Proportional to 92,689.62, 139,045.17 and 33,553.14

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Solution

The fourth proportional to 92,689.62, 139,045.17 and 33,553.14 is: 50,333.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,689.62 : 139,045.17 = 33,553.14 : x
  2. Step 2: Convert to fraction form
    92,689.62/139,045.17 = 33,553.14/x
  3. Step 3: Cross multiply
    92,689.62x = 139,045.17 × 33,553.14
  4. Step 4: Simplify right side
    92,689.62x = 4,665,402,055.33
  5. Step 5: Solve for x
    x = 4,665,402,055.33/92,689.62
  6. Step 6: Final answer
    x = 50,333.60

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1.5x scale

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.