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Finding the Fourth Proportional to 254,753.14, 350,951.70 and 178,128.86

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Solution

The fourth proportional to 254,753.14, 350,951.70 and 178,128.86 is: 245,392.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,753.14 : 350,951.70 = 178,128.86 : x
  2. Step 2: Convert to fraction form
    254,753.14/350,951.70 = 178,128.86/x
  3. Step 3: Cross multiply
    254,753.14x = 350,951.70 × 178,128.86
  4. Step 4: Simplify right side
    254,753.14x = 62,514,626,236.06
  5. Step 5: Solve for x
    x = 62,514,626,236.06/254,753.14
  6. Step 6: Final answer
    x = 245,392.96

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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.