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Finding the Fourth Proportional to 103,253.43, 154,880.15 and 36,696.19

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Solution

The fourth proportional to 103,253.43, 154,880.15 and 36,696.19 is: 55,044.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,253.43 : 154,880.15 = 36,696.19 : x
  2. Step 2: Convert to fraction form
    103,253.43/154,880.15 = 36,696.19/x
  3. Step 3: Cross multiply
    103,253.43x = 154,880.15 × 36,696.19
  4. Step 4: Simplify right side
    103,253.43x = 5,683,510,728.97
  5. Step 5: Solve for x
    x = 5,683,510,728.97/103,253.43
  6. Step 6: Final answer
    x = 55,044.28

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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.