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Finding the Fourth Proportional to 248,247.10, 372,188.40 and 98,413.30

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Solution

The fourth proportional to 248,247.10, 372,188.40 and 98,413.30 is: 147,547.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,247.10 : 372,188.40 = 98,413.30 : x
  2. Step 2: Convert to fraction form
    248,247.10/372,188.40 = 98,413.30/x
  3. Step 3: Cross multiply
    248,247.10x = 372,188.40 × 98,413.30
  4. Step 4: Simplify right side
    248,247.10x = 36,628,288,665.72
  5. Step 5: Solve for x
    x = 36,628,288,665.72/248,247.10
  6. Step 6: Final answer
    x = 147,547.70

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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.