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Finding the Fourth Proportional to 95,914.50, 143,930.07 and 40,510.50

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Solution

The fourth proportional to 95,914.50, 143,930.07 and 40,510.50 is: 60,790.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,914.50 : 143,930.07 = 40,510.50 : x
  2. Step 2: Convert to fraction form
    95,914.50/143,930.07 = 40,510.50/x
  3. Step 3: Cross multiply
    95,914.50x = 143,930.07 × 40,510.50
  4. Step 4: Simplify right side
    95,914.50x = 5,830,679,100.74
  5. Step 5: Solve for x
    x = 5,830,679,100.74/95,914.50
  6. Step 6: Final answer
    x = 60,790.38

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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.