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Finding the Fourth Proportional to 317,181.50, 437,670.24 and 173,903.84

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Solution

The fourth proportional to 317,181.50, 437,670.24 and 173,903.84 is: 239,965.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,181.50 : 437,670.24 = 173,903.84 : x
  2. Step 2: Convert to fraction form
    317,181.50/437,670.24 = 173,903.84/x
  3. Step 3: Cross multiply
    317,181.50x = 437,670.24 × 173,903.84
  4. Step 4: Simplify right side
    317,181.50x = 76,112,535,389.72
  5. Step 5: Solve for x
    x = 76,112,535,389.72/317,181.50
  6. Step 6: Final answer
    x = 239,965.24

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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.