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Finding the Fourth Proportional to 118,018.92, 176,818.49 and 67,995.67

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Solution

The fourth proportional to 118,018.92, 176,818.49 and 67,995.67 is: 101,872.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,018.92 : 176,818.49 = 67,995.67 : x
  2. Step 2: Convert to fraction form
    118,018.92/176,818.49 = 67,995.67/x
  3. Step 3: Cross multiply
    118,018.92x = 176,818.49 × 67,995.67
  4. Step 4: Simplify right side
    118,018.92x = 12,022,891,882.91
  5. Step 5: Solve for x
    x = 12,022,891,882.91/118,018.92
  6. Step 6: Final answer
    x = 101,872.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.