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Finding the Fourth Proportional to 242,185.60, 363,280.46 and 84,413.80

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Solution

The fourth proportional to 242,185.60, 363,280.46 and 84,413.80 is: 126,621.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,185.60 : 363,280.46 = 84,413.80 : x
  2. Step 2: Convert to fraction form
    242,185.60/363,280.46 = 84,413.80/x
  3. Step 3: Cross multiply
    242,185.60x = 363,280.46 × 84,413.80
  4. Step 4: Simplify right side
    242,185.60x = 30,665,884,094.35
  5. Step 5: Solve for x
    x = 30,665,884,094.35/242,185.60
  6. Step 6: Final answer
    x = 126,621.42

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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.