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Finding the Fourth Proportional to 253,870.02, 350,499.84 and 163,383.12

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Solution

The fourth proportional to 253,870.02, 350,499.84 and 163,383.12 is: 225,571.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,870.02 : 350,499.84 = 163,383.12 : x
  2. Step 2: Convert to fraction form
    253,870.02/350,499.84 = 163,383.12/x
  3. Step 3: Cross multiply
    253,870.02x = 350,499.84 × 163,383.12
  4. Step 4: Simplify right side
    253,870.02x = 57,265,757,418.70
  5. Step 5: Solve for x
    x = 57,265,757,418.70/253,870.02
  6. Step 6: Final answer
    x = 225,571.17

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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.