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Finding the Fourth Proportional to 192,544.92, 265,792.86 and 117,119.64

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Solution

The fourth proportional to 192,544.92, 265,792.86 and 117,119.64 is: 161,674.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,544.92 : 265,792.86 = 117,119.64 : x
  2. Step 2: Convert to fraction form
    192,544.92/265,792.86 = 117,119.64/x
  3. Step 3: Cross multiply
    192,544.92x = 265,792.86 × 117,119.64
  4. Step 4: Simplify right side
    192,544.92x = 31,129,564,077.77
  5. Step 5: Solve for x
    x = 31,129,564,077.77/192,544.92
  6. Step 6: Final answer
    x = 161,674.29

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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.