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Finding the Fourth Proportional to 299,116.61, 448,577.84 and 99,383.37

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Solution

The fourth proportional to 299,116.61, 448,577.84 and 99,383.37 is: 149,042.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,116.61 : 448,577.84 = 99,383.37 : x
  2. Step 2: Convert to fraction form
    299,116.61/448,577.84 = 99,383.37/x
  3. Step 3: Cross multiply
    299,116.61x = 448,577.84 × 99,383.37
  4. Step 4: Simplify right side
    299,116.61x = 44,581,176,949.60
  5. Step 5: Solve for x
    x = 44,581,176,949.60/299,116.61
  6. Step 6: Final answer
    x = 149,042.80

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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.