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Finding the Fourth Proportional to 213,596.44, 294,624.22 and 136,994.20

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Solution

The fourth proportional to 213,596.44, 294,624.22 and 136,994.20 is: 188,962.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,596.44 : 294,624.22 = 136,994.20 : x
  2. Step 2: Convert to fraction form
    213,596.44/294,624.22 = 136,994.20/x
  3. Step 3: Cross multiply
    213,596.44x = 294,624.22 × 136,994.20
  4. Step 4: Simplify right side
    213,596.44x = 40,361,809,319.52
  5. Step 5: Solve for x
    x = 40,361,809,319.52/213,596.44
  6. Step 6: Final answer
    x = 188,962.93

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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.