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Finding the Fourth Proportional to 373,896, 560,845.20 and 93,413.28

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Solution

The fourth proportional to 373,896, 560,845.20 and 93,413.28 is: 140,120.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,896 : 560,845.20 = 93,413.28 : x
  2. Step 2: Convert to fraction form
    373,896/560,845.20 = 93,413.28/x
  3. Step 3: Cross multiply
    373,896x = 560,845.20 × 93,413.28
  4. Step 4: Simplify right side
    373,896x = 52,390,389,704.26
  5. Step 5: Solve for x
    x = 52,390,389,704.26/373,896
  6. Step 6: Final answer
    x = 140,120.22

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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.