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Finding the Fourth Proportional to 293,413.20, 440,119.80 and 93,740.10

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Solution

The fourth proportional to 293,413.20, 440,119.80 and 93,740.10 is: 140,610.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,413.20 : 440,119.80 = 93,740.10 : x
  2. Step 2: Convert to fraction form
    293,413.20/440,119.80 = 93,740.10/x
  3. Step 3: Cross multiply
    293,413.20x = 440,119.80 × 93,740.10
  4. Step 4: Simplify right side
    293,413.20x = 41,256,874,063.98
  5. Step 5: Solve for x
    x = 41,256,874,063.98/293,413.20
  6. Step 6: Final answer
    x = 140,610.15

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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.