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Finding the Fourth Proportional to 127,413.69, 191,119.32 and 33,919.44

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Solution

The fourth proportional to 127,413.69, 191,119.32 and 33,919.44 is: 50,878.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,413.69 : 191,119.32 = 33,919.44 : x
  2. Step 2: Convert to fraction form
    127,413.69/191,119.32 = 33,919.44/x
  3. Step 3: Cross multiply
    127,413.69x = 191,119.32 × 33,919.44
  4. Step 4: Simplify right side
    127,413.69x = 6,482,660,307.58
  5. Step 5: Solve for x
    x = 6,482,660,307.58/127,413.69
  6. Step 6: Final answer
    x = 50,878.84

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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.