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Finding the Fourth Proportional to 272,678.94, 409,205.22 and 95,185.98

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Solution

The fourth proportional to 272,678.94, 409,205.22 and 95,185.98 is: 142,844.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,678.94 : 409,205.22 = 95,185.98 : x
  2. Step 2: Convert to fraction form
    272,678.94/409,205.22 = 95,185.98/x
  3. Step 3: Cross multiply
    272,678.94x = 409,205.22 × 95,185.98
  4. Step 4: Simplify right side
    272,678.94x = 38,950,599,886.82
  5. Step 5: Solve for x
    x = 38,950,599,886.82/272,678.94
  6. Step 6: Final answer
    x = 142,844.18

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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.