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Finding the Fourth Proportional to 256,096.61, 353,404.06 and 141,372.79

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Solution

The fourth proportional to 256,096.61, 353,404.06 and 141,372.79 is: 195,089.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,096.61 : 353,404.06 = 141,372.79 : x
  2. Step 2: Convert to fraction form
    256,096.61/353,404.06 = 141,372.79/x
  3. Step 3: Cross multiply
    256,096.61x = 353,404.06 × 141,372.79
  4. Step 4: Simplify right side
    256,096.61x = 49,961,717,959.53
  5. Step 5: Solve for x
    x = 49,961,717,959.53/256,096.61
  6. Step 6: Final answer
    x = 195,089.34

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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.