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Finding the Fourth Proportional to 186,649.49, 280,013.92 and 60,296.98

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Solution

The fourth proportional to 186,649.49, 280,013.92 and 60,296.98 is: 90,458.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,649.49 : 280,013.92 = 60,296.98 : x
  2. Step 2: Convert to fraction form
    186,649.49/280,013.92 = 60,296.98/x
  3. Step 3: Cross multiply
    186,649.49x = 280,013.92 × 60,296.98
  4. Step 4: Simplify right side
    186,649.49x = 16,883,992,883.18
  5. Step 5: Solve for x
    x = 16,883,992,883.18/186,649.49
  6. Step 6: Final answer
    x = 90,458.29

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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.