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Finding the Fourth Proportional to 199,579.80, 299,369.70 and 104,773.35

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Solution

The fourth proportional to 199,579.80, 299,369.70 and 104,773.35 is: 157,160.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,579.80 : 299,369.70 = 104,773.35 : x
  2. Step 2: Convert to fraction form
    199,579.80/299,369.70 = 104,773.35/x
  3. Step 3: Cross multiply
    199,579.80x = 299,369.70 × 104,773.35
  4. Step 4: Simplify right side
    199,579.80x = 31,365,966,357.50
  5. Step 5: Solve for x
    x = 31,365,966,357.50/199,579.80
  6. Step 6: Final answer
    x = 157,160.03

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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.