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Finding the Fourth Proportional to 237,990.40, 356,796.16 and 117,962.88

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Solution

The fourth proportional to 237,990.40, 356,796.16 and 117,962.88 is: 176,850.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,990.40 : 356,796.16 = 117,962.88 : x
  2. Step 2: Convert to fraction form
    237,990.40/356,796.16 = 117,962.88/x
  3. Step 3: Cross multiply
    237,990.40x = 356,796.16 × 117,962.88
  4. Step 4: Simplify right side
    237,990.40x = 42,088,702,606.54
  5. Step 5: Solve for x
    x = 42,088,702,606.54/237,990.40
  6. Step 6: Final answer
    x = 176,850.42

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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.