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Finding the Fourth Proportional to 64,841.74, 97,262.60 and 50,072.20

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Solution

The fourth proportional to 64,841.74, 97,262.60 and 50,072.20 is: 75,108.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,841.74 : 97,262.60 = 50,072.20 : x
  2. Step 2: Convert to fraction form
    64,841.74/97,262.60 = 50,072.20/x
  3. Step 3: Cross multiply
    64,841.74x = 97,262.60 × 50,072.20
  4. Step 4: Simplify right side
    64,841.74x = 4,870,152,359.72
  5. Step 5: Solve for x
    x = 4,870,152,359.72/64,841.74
  6. Step 6: Final answer
    x = 75,108.29

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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.