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Finding the Fourth Proportional to 238,509.89, 357,777.09 and 61,018.44

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Solution

The fourth proportional to 238,509.89, 357,777.09 and 61,018.44 is: 91,530.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,509.89 : 357,777.09 = 61,018.44 : x
  2. Step 2: Convert to fraction form
    238,509.89/357,777.09 = 61,018.44/x
  3. Step 3: Cross multiply
    238,509.89x = 357,777.09 × 61,018.44
  4. Step 4: Simplify right side
    238,509.89x = 21,830,999,899.54
  5. Step 5: Solve for x
    x = 21,830,999,899.54/238,509.89
  6. Step 6: Final answer
    x = 91,530.80

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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.