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Finding the Fourth Proportional to 74,602.72, 102,951.12 and 41,068

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Solution

The fourth proportional to 74,602.72, 102,951.12 and 41,068 is: 56,673.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,602.72 : 102,951.12 = 41,068 : x
  2. Step 2: Convert to fraction form
    74,602.72/102,951.12 = 41,068/x
  3. Step 3: Cross multiply
    74,602.72x = 102,951.12 × 41,068
  4. Step 4: Simplify right side
    74,602.72x = 4,227,996,596.16
  5. Step 5: Solve for x
    x = 4,227,996,596.16/74,602.72
  6. Step 6: Final answer
    x = 56,673.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.