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Finding the Fourth Proportional to 237,583.76, 356,398.16 and 66,805.10

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Solution

The fourth proportional to 237,583.76, 356,398.16 and 66,805.10 is: 100,213.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,583.76 : 356,398.16 = 66,805.10 : x
  2. Step 2: Convert to fraction form
    237,583.76/356,398.16 = 66,805.10/x
  3. Step 3: Cross multiply
    237,583.76x = 356,398.16 × 66,805.10
  4. Step 4: Simplify right side
    237,583.76x = 23,809,214,384.59
  5. Step 5: Solve for x
    x = 23,809,214,384.59/237,583.76
  6. Step 6: Final answer
    x = 100,213.98

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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.