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Finding the Fourth Proportional to 104,413.60, 156,620.40 and 60,176.80

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Solution

The fourth proportional to 104,413.60, 156,620.40 and 60,176.80 is: 90,265.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,413.60 : 156,620.40 = 60,176.80 : x
  2. Step 2: Convert to fraction form
    104,413.60/156,620.40 = 60,176.80/x
  3. Step 3: Cross multiply
    104,413.60x = 156,620.40 × 60,176.80
  4. Step 4: Simplify right side
    104,413.60x = 9,424,914,486.72
  5. Step 5: Solve for x
    x = 9,424,914,486.72/104,413.60
  6. Step 6: Final answer
    x = 90,265.20

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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.