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Finding the Fourth Proportional to 253,887.31, 350,351.48 and 146,450.94

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Solution

The fourth proportional to 253,887.31, 350,351.48 and 146,450.94 is: 202,094.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,887.31 : 350,351.48 = 146,450.94 : x
  2. Step 2: Convert to fraction form
    253,887.31/350,351.48 = 146,450.94/x
  3. Step 3: Cross multiply
    253,887.31x = 350,351.48 × 146,450.94
  4. Step 4: Simplify right side
    253,887.31x = 51,309,301,804.91
  5. Step 5: Solve for x
    x = 51,309,301,804.91/253,887.31
  6. Step 6: Final answer
    x = 202,094.79

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1.5x scale

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.