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Finding the Fourth Proportional to 253,883.94, 350,346.82 and 146,447.56

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Solution

The fourth proportional to 253,883.94, 350,346.82 and 146,447.56 is: 202,090.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,883.94 : 350,346.82 = 146,447.56 : x
  2. Step 2: Convert to fraction form
    253,883.94/350,346.82 = 146,447.56/x
  3. Step 3: Cross multiply
    253,883.94x = 350,346.82 × 146,447.56
  4. Step 4: Simplify right side
    253,883.94x = 51,307,437,289.16
  5. Step 5: Solve for x
    x = 51,307,437,289.16/253,883.94
  6. Step 6: Final answer
    x = 202,090.13

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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.