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Finding the Fourth Proportional to 173,847.80, 239,908.62 and 98,393.72

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Solution

The fourth proportional to 173,847.80, 239,908.62 and 98,393.72 is: 135,782.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,847.80 : 239,908.62 = 98,393.72 : x
  2. Step 2: Convert to fraction form
    173,847.80/239,908.62 = 98,393.72/x
  3. Step 3: Cross multiply
    173,847.80x = 239,908.62 × 98,393.72
  4. Step 4: Simplify right side
    173,847.80x = 23,605,501,581.87
  5. Step 5: Solve for x
    x = 23,605,501,581.87/173,847.80
  6. Step 6: Final answer
    x = 135,782.57

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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.