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Finding the Fourth Proportional to 168,740, 232,866.06 and 93,293.36

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Solution

The fourth proportional to 168,740, 232,866.06 and 93,293.36 is: 128,747.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,740 : 232,866.06 = 93,293.36 : x
  2. Step 2: Convert to fraction form
    168,740/232,866.06 = 93,293.36/x
  3. Step 3: Cross multiply
    168,740x = 232,866.06 × 93,293.36
  4. Step 4: Simplify right side
    168,740x = 21,724,857,167.36
  5. Step 5: Solve for x
    x = 21,724,857,167.36/168,740
  6. Step 6: Final answer
    x = 128,747.52

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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.