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Finding the Fourth Proportional to 158,959.72, 219,376.74 and 95,300.20

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Solution

The fourth proportional to 158,959.72, 219,376.74 and 95,300.20 is: 131,521.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,959.72 : 219,376.74 = 95,300.20 : x
  2. Step 2: Convert to fraction form
    158,959.72/219,376.74 = 95,300.20/x
  3. Step 3: Cross multiply
    158,959.72x = 219,376.74 × 95,300.20
  4. Step 4: Simplify right side
    158,959.72x = 20,906,647,197.35
  5. Step 5: Solve for x
    x = 20,906,647,197.35/158,959.72
  6. Step 6: Final answer
    x = 131,521.67

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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.