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Finding the Fourth Proportional to 171,179.69, 256,830.30 and 76,401.24

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Solution

The fourth proportional to 171,179.69, 256,830.30 and 76,401.24 is: 114,628.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,179.69 : 256,830.30 = 76,401.24 : x
  2. Step 2: Convert to fraction form
    171,179.69/256,830.30 = 76,401.24/x
  3. Step 3: Cross multiply
    171,179.69x = 256,830.30 × 76,401.24
  4. Step 4: Simplify right side
    171,179.69x = 19,622,153,389.57
  5. Step 5: Solve for x
    x = 19,622,153,389.57/171,179.69
  6. Step 6: Final answer
    x = 114,628.98

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1.5x scale

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.