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Finding the Fourth Proportional to 365,413.53, 548,114.26 and 109,246.69

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Solution

The fourth proportional to 365,413.53, 548,114.26 and 109,246.69 is: 163,868.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,413.53 : 548,114.26 = 109,246.69 : x
  2. Step 2: Convert to fraction form
    365,413.53/548,114.26 = 109,246.69/x
  3. Step 3: Cross multiply
    365,413.53x = 548,114.26 × 109,246.69
  4. Step 4: Simplify right side
    365,413.53x = 59,879,668,646.80
  5. Step 5: Solve for x
    x = 59,879,668,646.80/365,413.53
  6. Step 6: Final answer
    x = 163,868.23

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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.