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Finding the Fourth Proportional to 201,617.45, 302,590.20 and 195,056.45

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Solution

The fourth proportional to 201,617.45, 302,590.20 and 195,056.45 is: 292,743.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,617.45 : 302,590.20 = 195,056.45 : x
  2. Step 2: Convert to fraction form
    201,617.45/302,590.20 = 195,056.45/x
  3. Step 3: Cross multiply
    201,617.45x = 302,590.20 × 195,056.45
  4. Step 4: Simplify right side
    201,617.45x = 59,022,170,216.79
  5. Step 5: Solve for x
    x = 59,022,170,216.79/201,617.45
  6. Step 6: Final answer
    x = 292,743.36

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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.