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Finding the Fourth Proportional to 192,377.81, 265,651.59 and 119,904.39

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Solution

The fourth proportional to 192,377.81, 265,651.59 and 119,904.39 is: 165,574.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,377.81 : 265,651.59 = 119,904.39 : x
  2. Step 2: Convert to fraction form
    192,377.81/265,651.59 = 119,904.39/x
  3. Step 3: Cross multiply
    192,377.81x = 265,651.59 × 119,904.39
  4. Step 4: Simplify right side
    192,377.81x = 31,852,791,851.48
  5. Step 5: Solve for x
    x = 31,852,791,851.48/192,377.81
  6. Step 6: Final answer
    x = 165,574.15

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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.