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Finding the Fourth Proportional to 242,684.20, 364,026.30 and 84,928.60

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Solution

The fourth proportional to 242,684.20, 364,026.30 and 84,928.60 is: 127,392.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,684.20 : 364,026.30 = 84,928.60 : x
  2. Step 2: Convert to fraction form
    242,684.20/364,026.30 = 84,928.60/x
  3. Step 3: Cross multiply
    242,684.20x = 364,026.30 × 84,928.60
  4. Step 4: Simplify right side
    242,684.20x = 30,916,244,022.18
  5. Step 5: Solve for x
    x = 30,916,244,022.18/242,684.20
  6. Step 6: Final answer
    x = 127,392.90

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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.