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Finding the Fourth Proportional to 238,652.33, 357,970.39 and 61,161.08

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Solution

The fourth proportional to 238,652.33, 357,970.39 and 61,161.08 is: 91,739.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,652.33 : 357,970.39 = 61,161.08 : x
  2. Step 2: Convert to fraction form
    238,652.33/357,970.39 = 61,161.08/x
  3. Step 3: Cross multiply
    238,652.33x = 357,970.39 × 61,161.08
  4. Step 4: Simplify right side
    238,652.33x = 21,893,853,717.67
  5. Step 5: Solve for x
    x = 21,893,853,717.67/238,652.33
  6. Step 6: Final answer
    x = 91,739.54

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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.