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Finding the Fourth Proportional to 101,906.80, 152,881.80 and 30,823.60

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Solution

The fourth proportional to 101,906.80, 152,881.80 and 30,823.60 is: 46,241.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,906.80 : 152,881.80 = 30,823.60 : x
  2. Step 2: Convert to fraction form
    101,906.80/152,881.80 = 30,823.60/x
  3. Step 3: Cross multiply
    101,906.80x = 152,881.80 × 30,823.60
  4. Step 4: Simplify right side
    101,906.80x = 4,712,367,450.48
  5. Step 5: Solve for x
    x = 4,712,367,450.48/101,906.80
  6. Step 6: Final answer
    x = 46,241.93

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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.