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Finding the Fourth Proportional to 253,745.75, 350,010.77 and 163,219.74

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Solution

The fourth proportional to 253,745.75, 350,010.77 and 163,219.74 is: 225,141.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,745.75 : 350,010.77 = 163,219.74 : x
  2. Step 2: Convert to fraction form
    253,745.75/350,010.77 = 163,219.74/x
  3. Step 3: Cross multiply
    253,745.75x = 350,010.77 × 163,219.74
  4. Step 4: Simplify right side
    253,745.75x = 57,128,666,060.50
  5. Step 5: Solve for x
    x = 57,128,666,060.50/253,745.75
  6. Step 6: Final answer
    x = 225,141.38

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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.