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Finding the Fourth Proportional to 61,157.53, 91,725.72 and 16,179.45

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Solution

The fourth proportional to 61,157.53, 91,725.72 and 16,179.45 is: 24,266.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,157.53 : 91,725.72 = 16,179.45 : x
  2. Step 2: Convert to fraction form
    61,157.53/91,725.72 = 16,179.45/x
  3. Step 3: Cross multiply
    61,157.53x = 91,725.72 × 16,179.45
  4. Step 4: Simplify right side
    61,157.53x = 1,484,071,295.81
  5. Step 5: Solve for x
    x = 1,484,071,295.81/61,157.53
  6. Step 6: Final answer
    x = 24,266.37

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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.