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Finding the Fourth Proportional to 243,918.85, 365,878.28 and 160,793.41

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Solution

The fourth proportional to 243,918.85, 365,878.28 and 160,793.41 is: 241,190.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,918.85 : 365,878.28 = 160,793.41 : x
  2. Step 2: Convert to fraction form
    243,918.85/365,878.28 = 160,793.41/x
  3. Step 3: Cross multiply
    243,918.85x = 365,878.28 × 160,793.41
  4. Step 4: Simplify right side
    243,918.85x = 58,830,816,286.13
  5. Step 5: Solve for x
    x = 58,830,816,286.13/243,918.85
  6. Step 6: Final answer
    x = 241,190.12

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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.