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Finding the Fourth Proportional to 171,014.20, 256,521.30 and 46,355.20

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Solution

The fourth proportional to 171,014.20, 256,521.30 and 46,355.20 is: 69,532.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,014.20 : 256,521.30 = 46,355.20 : x
  2. Step 2: Convert to fraction form
    171,014.20/256,521.30 = 46,355.20/x
  3. Step 3: Cross multiply
    171,014.20x = 256,521.30 × 46,355.20
  4. Step 4: Simplify right side
    171,014.20x = 11,891,096,165.76
  5. Step 5: Solve for x
    x = 11,891,096,165.76/171,014.20
  6. Step 6: Final answer
    x = 69,532.80

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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.