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Finding the Fourth Proportional to 167,033.80, 250,550.70 and 78,460.30

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Solution

The fourth proportional to 167,033.80, 250,550.70 and 78,460.30 is: 117,690.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,033.80 : 250,550.70 = 78,460.30 : x
  2. Step 2: Convert to fraction form
    167,033.80/250,550.70 = 78,460.30/x
  3. Step 3: Cross multiply
    167,033.80x = 250,550.70 × 78,460.30
  4. Step 4: Simplify right side
    167,033.80x = 19,658,283,087.21
  5. Step 5: Solve for x
    x = 19,658,283,087.21/167,033.80
  6. Step 6: Final answer
    x = 117,690.45

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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.