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Finding the Fourth Proportional to 122,157.73, 183,227.91 and 37,915.89

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Solution

The fourth proportional to 122,157.73, 183,227.91 and 37,915.89 is: 56,871.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,157.73 : 183,227.91 = 37,915.89 : x
  2. Step 2: Convert to fraction form
    122,157.73/183,227.91 = 37,915.89/x
  3. Step 3: Cross multiply
    122,157.73x = 183,227.91 × 37,915.89
  4. Step 4: Simplify right side
    122,157.73x = 6,947,249,280.49
  5. Step 5: Solve for x
    x = 6,947,249,280.49/122,157.73
  6. Step 6: Final answer
    x = 56,871.14

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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.