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Finding the Fourth Proportional to 144,696.60, 217,044.90 and 102,706.20

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Solution

The fourth proportional to 144,696.60, 217,044.90 and 102,706.20 is: 154,059.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,696.60 : 217,044.90 = 102,706.20 : x
  2. Step 2: Convert to fraction form
    144,696.60/217,044.90 = 102,706.20/x
  3. Step 3: Cross multiply
    144,696.60x = 217,044.90 × 102,706.20
  4. Step 4: Simplify right side
    144,696.60x = 22,291,856,908.38
  5. Step 5: Solve for x
    x = 22,291,856,908.38/144,696.60
  6. Step 6: Final answer
    x = 154,059.30

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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.