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Finding the Fourth Proportional to 173,814.88, 260,724.40 and 55,485.60

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Solution

The fourth proportional to 173,814.88, 260,724.40 and 55,485.60 is: 83,229.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,814.88 : 260,724.40 = 55,485.60 : x
  2. Step 2: Convert to fraction form
    173,814.88/260,724.40 = 55,485.60/x
  3. Step 3: Cross multiply
    173,814.88x = 260,724.40 × 55,485.60
  4. Step 4: Simplify right side
    173,814.88x = 14,466,449,768.64
  5. Step 5: Solve for x
    x = 14,466,449,768.64/173,814.88
  6. Step 6: Final answer
    x = 83,229.06

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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.