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Finding the Fourth Proportional to 153,608.90, 230,413.35 and 100,464.80

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Solution

The fourth proportional to 153,608.90, 230,413.35 and 100,464.80 is: 150,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,608.90 : 230,413.35 = 100,464.80 : x
  2. Step 2: Convert to fraction form
    153,608.90/230,413.35 = 100,464.80/x
  3. Step 3: Cross multiply
    153,608.90x = 230,413.35 × 100,464.80
  4. Step 4: Simplify right side
    153,608.90x = 23,148,431,125.08
  5. Step 5: Solve for x
    x = 23,148,431,125.08/153,608.90
  6. Step 6: Final answer
    x = 150,697.20

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1.5x scale

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.