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Finding the Fourth Proportional to 84,903.28, 127,179.90 and 49,736.32

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Solution

The fourth proportional to 84,903.28, 127,179.90 and 49,736.32 is: 74,501.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,903.28 : 127,179.90 = 49,736.32 : x
  2. Step 2: Convert to fraction form
    84,903.28/127,179.90 = 49,736.32/x
  3. Step 3: Cross multiply
    84,903.28x = 127,179.90 × 49,736.32
  4. Step 4: Simplify right side
    84,903.28x = 6,325,460,203.97
  5. Step 5: Solve for x
    x = 6,325,460,203.97/84,903.28
  6. Step 6: Final answer
    x = 74,501.95

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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.