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Finding the Fourth Proportional to 111,083.33, 153,232.70 and 68,083.67

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Solution

The fourth proportional to 111,083.33, 153,232.70 and 68,083.67 is: 93,917.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,083.33 : 153,232.70 = 68,083.67 : x
  2. Step 2: Convert to fraction form
    111,083.33/153,232.70 = 68,083.67/x
  3. Step 3: Cross multiply
    111,083.33x = 153,232.70 × 68,083.67
  4. Step 4: Simplify right side
    111,083.33x = 10,432,644,622.67
  5. Step 5: Solve for x
    x = 10,432,644,622.67/111,083.33
  6. Step 6: Final answer
    x = 93,917.28

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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.