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Finding the Fourth Proportional to 317,175.56, 437,712.40 and 173,935.26

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Solution

The fourth proportional to 317,175.56, 437,712.40 and 173,935.26 is: 240,036.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,175.56 : 437,712.40 = 173,935.26 : x
  2. Step 2: Convert to fraction form
    317,175.56/437,712.40 = 173,935.26/x
  3. Step 3: Cross multiply
    317,175.56x = 437,712.40 × 173,935.26
  4. Step 4: Simplify right side
    317,175.56x = 76,133,620,099.22
  5. Step 5: Solve for x
    x = 76,133,620,099.22/317,175.56
  6. Step 6: Final answer
    x = 240,036.21

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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.