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Finding the Fourth Proportional to 253,456.42, 349,847.76 and 146,098.22

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Solution

The fourth proportional to 253,456.42, 349,847.76 and 146,098.22 is: 201,660.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,456.42 : 349,847.76 = 146,098.22 : x
  2. Step 2: Convert to fraction form
    253,456.42/349,847.76 = 146,098.22/x
  3. Step 3: Cross multiply
    253,456.42x = 349,847.76 × 146,098.22
  4. Step 4: Simplify right side
    253,456.42x = 51,112,135,006.99
  5. Step 5: Solve for x
    x = 51,112,135,006.99/253,456.42
  6. Step 6: Final answer
    x = 201,660.45

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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.