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Finding the Fourth Proportional to 95,964.97, 143,969.60 and 28,495.50

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Solution

The fourth proportional to 95,964.97, 143,969.60 and 28,495.50 is: 42,749.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,964.97 : 143,969.60 = 28,495.50 : x
  2. Step 2: Convert to fraction form
    95,964.97/143,969.60 = 28,495.50/x
  3. Step 3: Cross multiply
    95,964.97x = 143,969.60 × 28,495.50
  4. Step 4: Simplify right side
    95,964.97x = 4,102,484,874.47
  5. Step 5: Solve for x
    x = 4,102,484,874.47/95,964.97
  6. Step 6: Final answer
    x = 42,749.82

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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.