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Finding the Fourth Proportional to 173,883.96, 239,968.86 and 97,398.56

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Solution

The fourth proportional to 173,883.96, 239,968.86 and 97,398.56 is: 134,415.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,883.96 : 239,968.86 = 97,398.56 : x
  2. Step 2: Convert to fraction form
    173,883.96/239,968.86 = 97,398.56/x
  3. Step 3: Cross multiply
    173,883.96x = 239,968.86 × 97,398.56
  4. Step 4: Simplify right side
    173,883.96x = 23,372,621,408.84
  5. Step 5: Solve for x
    x = 23,372,621,408.84/173,883.96
  6. Step 6: Final answer
    x = 134,415.05

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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.