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Finding the Fourth Proportional to 118,162.98, 177,223.41 and 47,079.65

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Solution

The fourth proportional to 118,162.98, 177,223.41 and 47,079.65 is: 70,611.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,162.98 : 177,223.41 = 47,079.65 : x
  2. Step 2: Convert to fraction form
    118,162.98/177,223.41 = 47,079.65/x
  3. Step 3: Cross multiply
    118,162.98x = 177,223.41 × 47,079.65
  4. Step 4: Simplify right side
    118,162.98x = 8,343,616,675.36
  5. Step 5: Solve for x
    x = 8,343,616,675.36/118,162.98
  6. Step 6: Final answer
    x = 70,611.09

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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.