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Finding the Fourth Proportional to 168,494.40, 252,413.55 and 93,480.30

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Solution

The fourth proportional to 168,494.40, 252,413.55 and 93,480.30 is: 140,038.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,494.40 : 252,413.55 = 93,480.30 : x
  2. Step 2: Convert to fraction form
    168,494.40/252,413.55 = 93,480.30/x
  3. Step 3: Cross multiply
    168,494.40x = 252,413.55 × 93,480.30
  4. Step 4: Simplify right side
    168,494.40x = 23,595,694,378.07
  5. Step 5: Solve for x
    x = 23,595,694,378.07/168,494.40
  6. Step 6: Final answer
    x = 140,038.45

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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.