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Finding the Fourth Proportional to 171,330.93, 256,848.66 and 82,646.73

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Solution

The fourth proportional to 171,330.93, 256,848.66 and 82,646.73 is: 123,898.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,330.93 : 256,848.66 = 82,646.73 : x
  2. Step 2: Convert to fraction form
    171,330.93/256,848.66 = 82,646.73/x
  3. Step 3: Cross multiply
    171,330.93x = 256,848.66 × 82,646.73
  4. Step 4: Simplify right side
    171,330.93x = 21,227,701,853.88
  5. Step 5: Solve for x
    x = 21,227,701,853.88/171,330.93
  6. Step 6: Final answer
    x = 123,898.83

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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.