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Finding the Fourth Proportional to 95,364.98, 143,025.60 and 42,789.50

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Solution

The fourth proportional to 95,364.98, 143,025.60 and 42,789.50 is: 64,174.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,364.98 : 143,025.60 = 42,789.50 : x
  2. Step 2: Convert to fraction form
    95,364.98/143,025.60 = 42,789.50/x
  3. Step 3: Cross multiply
    95,364.98x = 143,025.60 × 42,789.50
  4. Step 4: Simplify right side
    95,364.98x = 6,119,993,911.20
  5. Step 5: Solve for x
    x = 6,119,993,911.20/95,364.98
  6. Step 6: Final answer
    x = 64,174.44

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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.