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Finding the Fourth Proportional to 199,795.80, 299,692.89 and 94,688.58

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Solution

The fourth proportional to 199,795.80, 299,692.89 and 94,688.58 is: 142,032.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,795.80 : 299,692.89 = 94,688.58 : x
  2. Step 2: Convert to fraction form
    199,795.80/299,692.89 = 94,688.58/x
  3. Step 3: Cross multiply
    199,795.80x = 299,692.89 × 94,688.58
  4. Step 4: Simplify right side
    199,795.80x = 28,377,494,190.20
  5. Step 5: Solve for x
    x = 28,377,494,190.20/199,795.80
  6. Step 6: Final answer
    x = 142,032.49

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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.