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Finding the Fourth Proportional to 137,318.30, 192,522.10 and 137,318.30

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Solution

The fourth proportional to 137,318.30, 192,522.10 and 137,318.30 is: 192,522.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,318.30 : 192,522.10 = 137,318.30 : x
  2. Step 2: Convert to fraction form
    137,318.30/192,522.10 = 137,318.30/x
  3. Step 3: Cross multiply
    137,318.30x = 192,522.10 × 137,318.30
  4. Step 4: Simplify right side
    137,318.30x = 26,436,807,484.43
  5. Step 5: Solve for x
    x = 26,436,807,484.43/137,318.30
  6. Step 6: Final answer
    x = 192,522.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.