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Finding the Fourth Proportional to 213,894.44, 295,170.72 and 118,399.08

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Solution

The fourth proportional to 213,894.44, 295,170.72 and 118,399.08 is: 163,388.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,894.44 : 295,170.72 = 118,399.08 : x
  2. Step 2: Convert to fraction form
    213,894.44/295,170.72 = 118,399.08/x
  3. Step 3: Cross multiply
    213,894.44x = 295,170.72 × 118,399.08
  4. Step 4: Simplify right side
    213,894.44x = 34,947,941,690.94
  5. Step 5: Solve for x
    x = 34,947,941,690.94/213,894.44
  6. Step 6: Final answer
    x = 163,388.73

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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.