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Finding the Fourth Proportional to 182,871.78, 252,413.76 and 106,405.62

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Solution

The fourth proportional to 182,871.78, 252,413.76 and 106,405.62 is: 146,869.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,871.78 : 252,413.76 = 106,405.62 : x
  2. Step 2: Convert to fraction form
    182,871.78/252,413.76 = 106,405.62/x
  3. Step 3: Cross multiply
    182,871.78x = 252,413.76 × 106,405.62
  4. Step 4: Simplify right side
    182,871.78x = 26,858,242,629.33
  5. Step 5: Solve for x
    x = 26,858,242,629.33/182,871.78
  6. Step 6: Final answer
    x = 146,869.26

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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.