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Finding the Fourth Proportional to 238,560.95, 329,082.01 and 151,186.05

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Solution

The fourth proportional to 238,560.95, 329,082.01 and 151,186.05 is: 208,553.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,560.95 : 329,082.01 = 151,186.05 : x
  2. Step 2: Convert to fraction form
    238,560.95/329,082.01 = 151,186.05/x
  3. Step 3: Cross multiply
    238,560.95x = 329,082.01 × 151,186.05
  4. Step 4: Simplify right side
    238,560.95x = 49,752,608,840.00
  5. Step 5: Solve for x
    x = 49,752,608,840.00/238,560.95
  6. Step 6: Final answer
    x = 208,553.03

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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.