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Finding the Fourth Proportional to 116,377.78, 160,622.23 and 68,628.28

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Solution

The fourth proportional to 116,377.78, 160,622.23 and 68,628.28 is: 94,719.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,377.78 : 160,622.23 = 68,628.28 : x
  2. Step 2: Convert to fraction form
    116,377.78/160,622.23 = 68,628.28/x
  3. Step 3: Cross multiply
    116,377.78x = 160,622.23 × 68,628.28
  4. Step 4: Simplify right side
    116,377.78x = 11,023,226,571.55
  5. Step 5: Solve for x
    x = 11,023,226,571.55/116,377.78
  6. Step 6: Final answer
    x = 94,719.34

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1.5x scale

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.