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Finding the Fourth Proportional to 182,069.50, 251,270.86 and 100,413.72

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Solution

The fourth proportional to 182,069.50, 251,270.86 and 100,413.72 is: 138,579.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,069.50 : 251,270.86 = 100,413.72 : x
  2. Step 2: Convert to fraction form
    182,069.50/251,270.86 = 100,413.72/x
  3. Step 3: Cross multiply
    182,069.50x = 251,270.86 × 100,413.72
  4. Step 4: Simplify right side
    182,069.50x = 25,231,041,246.31
  5. Step 5: Solve for x
    x = 25,231,041,246.31/182,069.50
  6. Step 6: Final answer
    x = 138,579.18

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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.