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Finding the Fourth Proportional to 192,368.16, 265,481.80 and 106,325.30

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Solution

The fourth proportional to 192,368.16, 265,481.80 and 106,325.30 is: 146,736.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,368.16 : 265,481.80 = 106,325.30 : x
  2. Step 2: Convert to fraction form
    192,368.16/265,481.80 = 106,325.30/x
  3. Step 3: Cross multiply
    192,368.16x = 265,481.80 × 106,325.30
  4. Step 4: Simplify right side
    192,368.16x = 28,227,432,427.43
  5. Step 5: Solve for x
    x = 28,227,432,427.43/192,368.16
  6. Step 6: Final answer
    x = 146,736.51

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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.