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Finding the Fourth Proportional to 213,336.82, 319,750.08 and 94,874.32

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Solution

The fourth proportional to 213,336.82, 319,750.08 and 94,874.32 is: 142,198.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,336.82 : 319,750.08 = 94,874.32 : x
  2. Step 2: Convert to fraction form
    213,336.82/319,750.08 = 94,874.32/x
  3. Step 3: Cross multiply
    213,336.82x = 319,750.08 × 94,874.32
  4. Step 4: Simplify right side
    213,336.82x = 30,336,071,409.95
  5. Step 5: Solve for x
    x = 30,336,071,409.95/213,336.82
  6. Step 6: Final answer
    x = 142,198.01

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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.