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Finding the Fourth Proportional to 161,203.80, 241,805.70 and 151,362.30

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Solution

The fourth proportional to 161,203.80, 241,805.70 and 151,362.30 is: 227,043.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,203.80 : 241,805.70 = 151,362.30 : x
  2. Step 2: Convert to fraction form
    161,203.80/241,805.70 = 151,362.30/x
  3. Step 3: Cross multiply
    161,203.80x = 241,805.70 × 151,362.30
  4. Step 4: Simplify right side
    161,203.80x = 36,600,266,905.11
  5. Step 5: Solve for x
    x = 36,600,266,905.11/161,203.80
  6. Step 6: Final answer
    x = 227,043.45

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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.