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Finding the Fourth Proportional to 95,901.36, 143,900.70 and 64,671

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Solution

The fourth proportional to 95,901.36, 143,900.70 and 64,671 is: 97,039.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,901.36 : 143,900.70 = 64,671 : x
  2. Step 2: Convert to fraction form
    95,901.36/143,900.70 = 64,671/x
  3. Step 3: Cross multiply
    95,901.36x = 143,900.70 × 64,671
  4. Step 4: Simplify right side
    95,901.36x = 9,306,202,169.70
  5. Step 5: Solve for x
    x = 9,306,202,169.70/95,901.36
  6. Step 6: Final answer
    x = 97,039.31

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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.