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Finding the Fourth Proportional to 255,956.46, 353,217.56 and 141,236.16

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Solution

The fourth proportional to 255,956.46, 353,217.56 and 141,236.16 is: 194,904.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,956.46 : 353,217.56 = 141,236.16 : x
  2. Step 2: Convert to fraction form
    255,956.46/353,217.56 = 141,236.16/x
  3. Step 3: Cross multiply
    255,956.46x = 353,217.56 × 141,236.16
  4. Step 4: Simplify right side
    255,956.46x = 49,887,091,112.79
  5. Step 5: Solve for x
    x = 49,887,091,112.79/255,956.46
  6. Step 6: Final answer
    x = 194,904.60

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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.