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Finding the Fourth Proportional to 237,812.70, 328,177.80 and 130,383.66

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Solution

The fourth proportional to 237,812.70, 328,177.80 and 130,383.66 is: 179,927.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,812.70 : 328,177.80 = 130,383.66 : x
  2. Step 2: Convert to fraction form
    237,812.70/328,177.80 = 130,383.66/x
  3. Step 3: Cross multiply
    237,812.70x = 328,177.80 × 130,383.66
  4. Step 4: Simplify right side
    237,812.70x = 42,789,022,694.75
  5. Step 5: Solve for x
    x = 42,789,022,694.75/237,812.70
  6. Step 6: Final answer
    x = 179,927.41

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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.