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Finding the Fourth Proportional to 192,405.66, 265,594.05 and 172,226.94

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Solution

The fourth proportional to 192,405.66, 265,594.05 and 172,226.94 is: 237,739.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,405.66 : 265,594.05 = 172,226.94 : x
  2. Step 2: Convert to fraction form
    192,405.66/265,594.05 = 172,226.94/x
  3. Step 3: Cross multiply
    192,405.66x = 265,594.05 × 172,226.94
  4. Step 4: Simplify right side
    192,405.66x = 45,742,450,513.71
  5. Step 5: Solve for x
    x = 45,742,450,513.71/192,405.66
  6. Step 6: Final answer
    x = 237,739.63

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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.