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Finding the Fourth Proportional to 91,699.84, 137,550.22 and 41,745.00

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Solution

The fourth proportional to 91,699.84, 137,550.22 and 41,745.00 is: 62,617.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,699.84 : 137,550.22 = 41,745.00 : x
  2. Step 2: Convert to fraction form
    91,699.84/137,550.22 = 41,745.00/x
  3. Step 3: Cross multiply
    91,699.84x = 137,550.22 × 41,745.00
  4. Step 4: Simplify right side
    91,699.84x = 5,742,033,571.63
  5. Step 5: Solve for x
    x = 5,742,033,571.63/91,699.84
  6. Step 6: Final answer
    x = 62,617.70

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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.