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Finding the Fourth Proportional to 173,840.37, 239,858.59 and 98,388.87

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Solution

The fourth proportional to 173,840.37, 239,858.59 and 98,388.87 is: 135,753.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,840.37 : 239,858.59 = 98,388.87 : x
  2. Step 2: Convert to fraction form
    173,840.37/239,858.59 = 98,388.87/x
  3. Step 3: Cross multiply
    173,840.37x = 239,858.59 × 98,388.87
  4. Step 4: Simplify right side
    173,840.37x = 23,599,415,629.89
  5. Step 5: Solve for x
    x = 23,599,415,629.89/173,840.37
  6. Step 6: Final answer
    x = 135,753.37

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1.5x scale

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.