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Finding the Fourth Proportional to 273,187.67, 409,547.76 and 104,828.82

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Solution

The fourth proportional to 273,187.67, 409,547.76 and 104,828.82 is: 157,153.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,187.67 : 409,547.76 = 104,828.82 : x
  2. Step 2: Convert to fraction form
    273,187.67/409,547.76 = 104,828.82/x
  3. Step 3: Cross multiply
    273,187.67x = 409,547.76 × 104,828.82
  4. Step 4: Simplify right side
    273,187.67x = 42,932,408,414.44
  5. Step 5: Solve for x
    x = 42,932,408,414.44/273,187.67
  6. Step 6: Final answer
    x = 157,153.54

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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.