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Finding the Fourth Proportional to 192,318.54, 265,387.88 and 106,275.54

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Solution

The fourth proportional to 192,318.54, 265,387.88 and 106,275.54 is: 146,653.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,318.54 : 265,387.88 = 106,275.54 : x
  2. Step 2: Convert to fraction form
    192,318.54/265,387.88 = 106,275.54/x
  3. Step 3: Cross multiply
    192,318.54x = 265,387.88 × 106,275.54
  4. Step 4: Simplify right side
    192,318.54x = 28,204,240,256.46
  5. Step 5: Solve for x
    x = 28,204,240,256.46/192,318.54
  6. Step 6: Final answer
    x = 146,653.78

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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.