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Finding the Fourth Proportional to 253,006.36, 349,222.20 and 145,652.20

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Solution

The fourth proportional to 253,006.36, 349,222.20 and 145,652.20 is: 201,042.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,006.36 : 349,222.20 = 145,652.20 : x
  2. Step 2: Convert to fraction form
    253,006.36/349,222.20 = 145,652.20/x
  3. Step 3: Cross multiply
    253,006.36x = 349,222.20 × 145,652.20
  4. Step 4: Simplify right side
    253,006.36x = 50,864,981,718.84
  5. Step 5: Solve for x
    x = 50,864,981,718.84/253,006.36
  6. Step 6: Final answer
    x = 201,042.30

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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.