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Finding the Fourth Proportional to 237,617.44, 356,505.74 and 77,700.75

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Solution

The fourth proportional to 237,617.44, 356,505.74 and 77,700.75 is: 116,577.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,617.44 : 356,505.74 = 77,700.75 : x
  2. Step 2: Convert to fraction form
    237,617.44/356,505.74 = 77,700.75/x
  3. Step 3: Cross multiply
    237,617.44x = 356,505.74 × 77,700.75
  4. Step 4: Simplify right side
    237,617.44x = 27,700,762,988.80
  5. Step 5: Solve for x
    x = 27,700,762,988.80/237,617.44
  6. Step 6: Final answer
    x = 116,577.15

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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.