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Finding the Fourth Proportional to 173,866.44, 239,941.59 and 97,388.82

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Solution

The fourth proportional to 173,866.44, 239,941.59 and 97,388.82 is: 134,399.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,866.44 : 239,941.59 = 97,388.82 : x
  2. Step 2: Convert to fraction form
    173,866.44/239,941.59 = 97,388.82/x
  3. Step 3: Cross multiply
    173,866.44x = 239,941.59 × 97,388.82
  4. Step 4: Simplify right side
    173,866.44x = 23,367,628,319.02
  5. Step 5: Solve for x
    x = 23,367,628,319.02/173,866.44
  6. Step 6: Final answer
    x = 134,399.88

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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.