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Finding the Fourth Proportional to 255,760.16, 352,940.90 and 141,043.64

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Solution

The fourth proportional to 255,760.16, 352,940.90 and 141,043.64 is: 194,635.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,760.16 : 352,940.90 = 141,043.64 : x
  2. Step 2: Convert to fraction form
    255,760.16/352,940.90 = 141,043.64/x
  3. Step 3: Cross multiply
    255,760.16x = 352,940.90 × 141,043.64
  4. Step 4: Simplify right side
    255,760.16x = 49,780,066,770.95
  5. Step 5: Solve for x
    x = 49,780,066,770.95/255,760.16
  6. Step 6: Final answer
    x = 194,635.74

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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.