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Finding the Fourth Proportional to 173,968.71, 239,911.52 and 113,520.03

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Solution

The fourth proportional to 173,968.71, 239,911.52 and 113,520.03 is: 156,549.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,968.71 : 239,911.52 = 113,520.03 : x
  2. Step 2: Convert to fraction form
    173,968.71/239,911.52 = 113,520.03/x
  3. Step 3: Cross multiply
    173,968.71x = 239,911.52 × 113,520.03
  4. Step 4: Simplify right side
    173,968.71x = 27,234,762,380.15
  5. Step 5: Solve for x
    x = 27,234,762,380.15/173,968.71
  6. Step 6: Final answer
    x = 156,549.77

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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.