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Finding the Fourth Proportional to 60,997.79, 84,157.76 and 34,136.03

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Solution

The fourth proportional to 60,997.79, 84,157.76 and 34,136.03 is: 47,096.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,997.79 : 84,157.76 = 34,136.03 : x
  2. Step 2: Convert to fraction form
    60,997.79/84,157.76 = 34,136.03/x
  3. Step 3: Cross multiply
    60,997.79x = 84,157.76 × 34,136.03
  4. Step 4: Simplify right side
    60,997.79x = 2,872,811,228.62
  5. Step 5: Solve for x
    x = 2,872,811,228.62/60,997.79
  6. Step 6: Final answer
    x = 47,096.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.