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Finding the Fourth Proportional to 192,559.54, 265,724.37 and 105,343.23

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Solution

The fourth proportional to 192,559.54, 265,724.37 and 105,343.23 is: 145,369.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,559.54 : 265,724.37 = 105,343.23 : x
  2. Step 2: Convert to fraction form
    192,559.54/265,724.37 = 105,343.23/x
  3. Step 3: Cross multiply
    192,559.54x = 265,724.37 × 105,343.23
  4. Step 4: Simplify right side
    192,559.54x = 27,992,264,718.26
  5. Step 5: Solve for x
    x = 27,992,264,718.26/192,559.54
  6. Step 6: Final answer
    x = 145,369.40

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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.