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Finding the Fourth Proportional to 234,209.89, 351,099.55 and 84,413.51

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Solution

The fourth proportional to 234,209.89, 351,099.55 and 84,413.51 is: 126,542.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,209.89 : 351,099.55 = 84,413.51 : x
  2. Step 2: Convert to fraction form
    234,209.89/351,099.55 = 84,413.51/x
  3. Step 3: Cross multiply
    234,209.89x = 351,099.55 × 84,413.51
  4. Step 4: Simplify right side
    234,209.89x = 29,637,544,952.85
  5. Step 5: Solve for x
    x = 29,637,544,952.85/234,209.89
  6. Step 6: Final answer
    x = 126,542.67

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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.