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Finding the Fourth Proportional to 201,122.64, 301,698.36 and 60,892.20

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Solution

The fourth proportional to 201,122.64, 301,698.36 and 60,892.20 is: 91,342.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,122.64 : 301,698.36 = 60,892.20 : x
  2. Step 2: Convert to fraction form
    201,122.64/301,698.36 = 60,892.20/x
  3. Step 3: Cross multiply
    201,122.64x = 301,698.36 × 60,892.20
  4. Step 4: Simplify right side
    201,122.64x = 18,371,076,876.79
  5. Step 5: Solve for x
    x = 18,371,076,876.79/201,122.64
  6. Step 6: Final answer
    x = 91,342.66

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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.