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Finding the Fourth Proportional to 238,608.39, 357,904.39 and 61,116.94

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Solution

The fourth proportional to 238,608.39, 357,904.39 and 61,116.94 is: 91,673.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,608.39 : 357,904.39 = 61,116.94 : x
  2. Step 2: Convert to fraction form
    238,608.39/357,904.39 = 61,116.94/x
  3. Step 3: Cross multiply
    238,608.39x = 357,904.39 × 61,116.94
  4. Step 4: Simplify right side
    238,608.39x = 21,874,021,129.37
  5. Step 5: Solve for x
    x = 21,874,021,129.37/238,608.39
  6. Step 6: Final answer
    x = 91,673.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.