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Finding the Fourth Proportional to 105,477.44, 158,949.98 and 95,485.28

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Solution

The fourth proportional to 105,477.44, 158,949.98 and 95,485.28 is: 143,892.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,477.44 : 158,949.98 = 95,485.28 : x
  2. Step 2: Convert to fraction form
    105,477.44/158,949.98 = 95,485.28/x
  3. Step 3: Cross multiply
    105,477.44x = 158,949.98 × 95,485.28
  4. Step 4: Simplify right side
    105,477.44x = 15,177,383,346.29
  5. Step 5: Solve for x
    x = 15,177,383,346.29/105,477.44
  6. Step 6: Final answer
    x = 143,892.22

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.