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Finding the Fourth Proportional to 179,382.84, 245,755.70 and 172,656.60

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Solution

The fourth proportional to 179,382.84, 245,755.70 and 172,656.60 is: 236,540.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,382.84 : 245,755.70 = 172,656.60 : x
  2. Step 2: Convert to fraction form
    179,382.84/245,755.70 = 172,656.60/x
  3. Step 3: Cross multiply
    179,382.84x = 245,755.70 × 172,656.60
  4. Step 4: Simplify right side
    179,382.84x = 42,431,342,729.34
  5. Step 5: Solve for x
    x = 42,431,342,729.34/179,382.84
  6. Step 6: Final answer
    x = 236,540.70

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.