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Finding the Fourth Proportional to 272,959.75, 376,696.11 and 152,101.18

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Solution

The fourth proportional to 272,959.75, 376,696.11 and 152,101.18 is: 209,906.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,959.75 : 376,696.11 = 152,101.18 : x
  2. Step 2: Convert to fraction form
    272,959.75/376,696.11 = 152,101.18/x
  3. Step 3: Cross multiply
    272,959.75x = 376,696.11 × 152,101.18
  4. Step 4: Simplify right side
    272,959.75x = 57,295,922,832.41
  5. Step 5: Solve for x
    x = 57,295,922,832.41/272,959.75
  6. Step 6: Final answer
    x = 209,906.12

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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.