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Finding the Fourth Proportional to 154,413.03, 211,144.20 and 154,413.03

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Solution

The fourth proportional to 154,413.03, 211,144.20 and 154,413.03 is: 211,144.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,413.03 : 211,144.20 = 154,413.03 : x
  2. Step 2: Convert to fraction form
    154,413.03/211,144.20 = 154,413.03/x
  3. Step 3: Cross multiply
    154,413.03x = 211,144.20 × 154,413.03
  4. Step 4: Simplify right side
    154,413.03x = 32,603,415,688.93
  5. Step 5: Solve for x
    x = 32,603,415,688.93/154,413.03
  6. Step 6: Final answer
    x = 211,144.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.