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Finding the Fourth Proportional to 174,843.70, 241,155.15 and 120,413.15

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Solution

The fourth proportional to 174,843.70, 241,155.15 and 120,413.15 is: 166,081.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,843.70 : 241,155.15 = 120,413.15 : x
  2. Step 2: Convert to fraction form
    174,843.70/241,155.15 = 120,413.15/x
  3. Step 3: Cross multiply
    174,843.70x = 241,155.15 × 120,413.15
  4. Step 4: Simplify right side
    174,843.70x = 29,038,251,250.22
  5. Step 5: Solve for x
    x = 29,038,251,250.22/174,843.70
  6. Step 6: Final answer
    x = 166,081.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.