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Finding the Fourth Proportional to 122,182.61, 183,302.60 and 37,938.42

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Solution

The fourth proportional to 122,182.61, 183,302.60 and 37,938.42 is: 56,916.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,182.61 : 183,302.60 = 37,938.42 : x
  2. Step 2: Convert to fraction form
    122,182.61/183,302.60 = 37,938.42/x
  3. Step 3: Cross multiply
    122,182.61x = 183,302.60 × 37,938.42
  4. Step 4: Simplify right side
    122,182.61x = 6,954,210,836.20
  5. Step 5: Solve for x
    x = 6,954,210,836.20/122,182.61
  6. Step 6: Final answer
    x = 56,916.54

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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.