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Finding the Fourth Proportional to 317,181.54, 437,711.13 and 173,942.64

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Solution

The fourth proportional to 317,181.54, 437,711.13 and 173,942.64 is: 240,041.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,181.54 : 437,711.13 = 173,942.64 : x
  2. Step 2: Convert to fraction form
    317,181.54/437,711.13 = 173,942.64/x
  3. Step 3: Cross multiply
    317,181.54x = 437,711.13 × 173,942.64
  4. Step 4: Simplify right side
    317,181.54x = 76,136,629,509.58
  5. Step 5: Solve for x
    x = 76,136,629,509.58/317,181.54
  6. Step 6: Final answer
    x = 240,041.17

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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.