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Finding the Fourth Proportional to 253,738.34, 350,059.44 and 163,081.74

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Solution

The fourth proportional to 253,738.34, 350,059.44 and 163,081.74 is: 224,988.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,738.34 : 350,059.44 = 163,081.74 : x
  2. Step 2: Convert to fraction form
    253,738.34/350,059.44 = 163,081.74/x
  3. Step 3: Cross multiply
    253,738.34x = 350,059.44 × 163,081.74
  4. Step 4: Simplify right side
    253,738.34x = 57,088,302,578.63
  5. Step 5: Solve for x
    x = 57,088,302,578.63/253,738.34
  6. Step 6: Final answer
    x = 224,988.87

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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.