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Finding the Fourth Proportional to 238,615.89, 357,915.64 and 61,124.44

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Solution

The fourth proportional to 238,615.89, 357,915.64 and 61,124.44 is: 91,684.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,615.89 : 357,915.64 = 61,124.44 : x
  2. Step 2: Convert to fraction form
    238,615.89/357,915.64 = 61,124.44/x
  3. Step 3: Cross multiply
    238,615.89x = 357,915.64 × 61,124.44
  4. Step 4: Simplify right side
    238,615.89x = 21,877,393,062.24
  5. Step 5: Solve for x
    x = 21,877,393,062.24/238,615.89
  6. Step 6: Final answer
    x = 91,684.56

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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.