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Finding the Fourth Proportional to 299,370.48, 449,127.51 and 99,692.70

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Solution

The fourth proportional to 299,370.48, 449,127.51 and 99,692.70 is: 149,562.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,370.48 : 449,127.51 = 99,692.70 : x
  2. Step 2: Convert to fraction form
    299,370.48/449,127.51 = 99,692.70/x
  3. Step 3: Cross multiply
    299,370.48x = 449,127.51 × 99,692.70
  4. Step 4: Simplify right side
    299,370.48x = 44,774,734,116.18
  5. Step 5: Solve for x
    x = 44,774,734,116.18/299,370.48
  6. Step 6: Final answer
    x = 149,562.96

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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.