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Finding the Fourth Proportional to 172,967.46, 238,685.99 and 96,494.55

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Solution

The fourth proportional to 172,967.46, 238,685.99 and 96,494.55 is: 133,157.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,967.46 : 238,685.99 = 96,494.55 : x
  2. Step 2: Convert to fraction form
    172,967.46/238,685.99 = 96,494.55/x
  3. Step 3: Cross multiply
    172,967.46x = 238,685.99 × 96,494.55
  4. Step 4: Simplify right side
    172,967.46x = 23,031,896,713.88
  5. Step 5: Solve for x
    x = 23,031,896,713.88/172,967.46
  6. Step 6: Final answer
    x = 133,157.40

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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.