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Finding the Fourth Proportional to 95,810.70, 143,540.91 and 69,450.06

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Solution

The fourth proportional to 95,810.70, 143,540.91 and 69,450.06 is: 104,048.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,810.70 : 143,540.91 = 69,450.06 : x
  2. Step 2: Convert to fraction form
    95,810.70/143,540.91 = 69,450.06/x
  3. Step 3: Cross multiply
    95,810.70x = 143,540.91 × 69,450.06
  4. Step 4: Simplify right side
    95,810.70x = 9,968,924,811.95
  5. Step 5: Solve for x
    x = 9,968,924,811.95/95,810.70
  6. Step 6: Final answer
    x = 104,048.14

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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.