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Finding the Fourth Proportional to 234,069.10, 351,103.65 and 187,413.10

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Solution

The fourth proportional to 234,069.10, 351,103.65 and 187,413.10 is: 281,119.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,069.10 : 351,103.65 = 187,413.10 : x
  2. Step 2: Convert to fraction form
    234,069.10/351,103.65 = 187,413.10/x
  3. Step 3: Cross multiply
    234,069.10x = 351,103.65 × 187,413.10
  4. Step 4: Simplify right side
    234,069.10x = 65,801,423,467.82
  5. Step 5: Solve for x
    x = 65,801,423,467.82/234,069.10
  6. Step 6: Final answer
    x = 281,119.65

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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.