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Finding the Fourth Proportional to 253,766.50, 350,039.40 and 163,240.49

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Solution

The fourth proportional to 253,766.50, 350,039.40 and 163,240.49 is: 225,170.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,766.50 : 350,039.40 = 163,240.49 : x
  2. Step 2: Convert to fraction form
    253,766.50/350,039.40 = 163,240.49/x
  3. Step 3: Cross multiply
    253,766.50x = 350,039.40 × 163,240.49
  4. Step 4: Simplify right side
    253,766.50x = 57,140,603,175.31
  5. Step 5: Solve for x
    x = 57,140,603,175.31/253,766.50
  6. Step 6: Final answer
    x = 225,170.00

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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.