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Finding the Fourth Proportional to 273,156.88, 409,920.54 and 95,665.36

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Solution

The fourth proportional to 273,156.88, 409,920.54 and 95,665.36 is: 143,562.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,156.88 : 409,920.54 = 95,665.36 : x
  2. Step 2: Convert to fraction form
    273,156.88/409,920.54 = 95,665.36/x
  3. Step 3: Cross multiply
    273,156.88x = 409,920.54 × 95,665.36
  4. Step 4: Simplify right side
    273,156.88x = 39,215,196,030.49
  5. Step 5: Solve for x
    x = 39,215,196,030.49/273,156.88
  6. Step 6: Final answer
    x = 143,562.91

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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.