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Finding the Fourth Proportional to 109,436, 164,154 and 26,330

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Solution

The fourth proportional to 109,436, 164,154 and 26,330 is: 39,495

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,436 : 164,154 = 26,330 : x
  2. Step 2: Convert to fraction form
    109,436/164,154 = 26,330/x
  3. Step 3: Cross multiply
    109,436x = 164,154 × 26,330
  4. Step 4: Simplify right side
    109,436x = 4,322,174,820
  5. Step 5: Solve for x
    x = 4,322,174,820/109,436
  6. Step 6: Final answer
    x = 39,495

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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.