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Finding the Fourth Proportional to 197,038.96, 271,915.56 and 112,161.52

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Solution

The fourth proportional to 197,038.96, 271,915.56 and 112,161.52 is: 154,783.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,038.96 : 271,915.56 = 112,161.52 : x
  2. Step 2: Convert to fraction form
    197,038.96/271,915.56 = 112,161.52/x
  3. Step 3: Cross multiply
    197,038.96x = 271,915.56 × 112,161.52
  4. Step 4: Simplify right side
    197,038.96x = 30,498,462,521.25
  5. Step 5: Solve for x
    x = 30,498,462,521.25/197,038.96
  6. Step 6: Final answer
    x = 154,783.92

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.