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Finding the Fourth Proportional to 110,949.67, 153,111.09 and 60,648.67

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Solution

The fourth proportional to 110,949.67, 153,111.09 and 60,648.67 is: 83,695.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,949.67 : 153,111.09 = 60,648.67 : x
  2. Step 2: Convert to fraction form
    110,949.67/153,111.09 = 60,648.67/x
  3. Step 3: Cross multiply
    110,949.67x = 153,111.09 × 60,648.67
  4. Step 4: Simplify right side
    110,949.67x = 9,285,983,970.75
  5. Step 5: Solve for x
    x = 9,285,983,970.75/110,949.67
  6. Step 6: Final answer
    x = 83,695.46

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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.