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Finding the Fourth Proportional to 171,316.22, 256,967.94 and 44,955.30

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Solution

The fourth proportional to 171,316.22, 256,967.94 and 44,955.30 is: 67,431.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,316.22 : 256,967.94 = 44,955.30 : x
  2. Step 2: Convert to fraction form
    171,316.22/256,967.94 = 44,955.30/x
  3. Step 3: Cross multiply
    171,316.22x = 256,967.94 × 44,955.30
  4. Step 4: Simplify right side
    171,316.22x = 11,552,071,965.29
  5. Step 5: Solve for x
    x = 11,552,071,965.29/171,316.22
  6. Step 6: Final answer
    x = 67,431.28

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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.