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Finding the Fourth Proportional to 91,413.40, 137,137.25 and 41,497.01

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Solution

The fourth proportional to 91,413.40, 137,137.25 and 41,497.01 is: 62,253.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,413.40 : 137,137.25 = 41,497.01 : x
  2. Step 2: Convert to fraction form
    91,413.40/137,137.25 = 41,497.01/x
  3. Step 3: Cross multiply
    91,413.40x = 137,137.25 × 41,497.01
  4. Step 4: Simplify right side
    91,413.40x = 5,690,786,281.21
  5. Step 5: Solve for x
    x = 5,690,786,281.21/91,413.40
  6. Step 6: Final answer
    x = 62,253.31

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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.