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Finding the Fourth Proportional to 150,413.76, 225,620.64 and 76,593.60

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Solution

The fourth proportional to 150,413.76, 225,620.64 and 76,593.60 is: 114,890.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,413.76 : 225,620.64 = 76,593.60 : x
  2. Step 2: Convert to fraction form
    150,413.76/225,620.64 = 76,593.60/x
  3. Step 3: Cross multiply
    150,413.76x = 225,620.64 × 76,593.60
  4. Step 4: Simplify right side
    150,413.76x = 17,281,097,051.90
  5. Step 5: Solve for x
    x = 17,281,097,051.90/150,413.76
  6. Step 6: Final answer
    x = 114,890.40

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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.