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Finding the Fourth Proportional to 265,495.72, 366,388.06 and 144,636.97

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Solution

The fourth proportional to 265,495.72, 366,388.06 and 144,636.97 is: 199,601.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,495.72 : 366,388.06 = 144,636.97 : x
  2. Step 2: Convert to fraction form
    265,495.72/366,388.06 = 144,636.97/x
  3. Step 3: Cross multiply
    265,495.72x = 366,388.06 × 144,636.97
  4. Step 4: Simplify right side
    265,495.72x = 52,993,257,492.72
  5. Step 5: Solve for x
    x = 52,993,257,492.72/265,495.72
  6. Step 6: Final answer
    x = 199,601.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.