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Finding the Fourth Proportional to 173,847.72, 239,947.29 and 105,887.10

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Solution

The fourth proportional to 173,847.72, 239,947.29 and 105,887.10 is: 146,147.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,847.72 : 239,947.29 = 105,887.10 : x
  2. Step 2: Convert to fraction form
    173,847.72/239,947.29 = 105,887.10/x
  3. Step 3: Cross multiply
    173,847.72x = 239,947.29 × 105,887.10
  4. Step 4: Simplify right side
    173,847.72x = 25,407,322,690.96
  5. Step 5: Solve for x
    x = 25,407,322,690.96/173,847.72
  6. Step 6: Final answer
    x = 146,147.00

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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.