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Finding the Fourth Proportional to 167,017.70, 230,175.32 and 118,621.73

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Solution

The fourth proportional to 167,017.70, 230,175.32 and 118,621.73 is: 163,478.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,017.70 : 230,175.32 = 118,621.73 : x
  2. Step 2: Convert to fraction form
    167,017.70/230,175.32 = 118,621.73/x
  3. Step 3: Cross multiply
    167,017.70x = 230,175.32 × 118,621.73
  4. Step 4: Simplify right side
    167,017.70x = 27,303,794,644.03
  5. Step 5: Solve for x
    x = 27,303,794,644.03/167,017.70
  6. Step 6: Final answer
    x = 163,478.45

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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.