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Finding the Fourth Proportional to 173,871.96, 239,949.20 and 97,394.32

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Solution

The fourth proportional to 173,871.96, 239,949.20 and 97,394.32 is: 134,407.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,871.96 : 239,949.20 = 97,394.32 : x
  2. Step 2: Convert to fraction form
    173,871.96/239,949.20 = 97,394.32/x
  3. Step 3: Cross multiply
    173,871.96x = 239,949.20 × 97,394.32
  4. Step 4: Simplify right side
    173,871.96x = 23,369,689,168.54
  5. Step 5: Solve for x
    x = 23,369,689,168.54/173,871.96
  6. Step 6: Final answer
    x = 134,407.46

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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.