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Finding the Fourth Proportional to 192,089.92, 265,040.04 and 115,588.48

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Solution

The fourth proportional to 192,089.92, 265,040.04 and 115,588.48 is: 159,485.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,089.92 : 265,040.04 = 115,588.48 : x
  2. Step 2: Convert to fraction form
    192,089.92/265,040.04 = 115,588.48/x
  3. Step 3: Cross multiply
    192,089.92x = 265,040.04 × 115,588.48
  4. Step 4: Simplify right side
    192,089.92x = 30,635,575,362.74
  5. Step 5: Solve for x
    x = 30,635,575,362.74/192,089.92
  6. Step 6: Final answer
    x = 159,485.60

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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.