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Finding the Fourth Proportional to 169,514.67, 254,279.21 and 57,197.55

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Solution

The fourth proportional to 169,514.67, 254,279.21 and 57,197.55 is: 85,798.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,514.67 : 254,279.21 = 57,197.55 : x
  2. Step 2: Convert to fraction form
    169,514.67/254,279.21 = 57,197.55/x
  3. Step 3: Cross multiply
    169,514.67x = 254,279.21 × 57,197.55
  4. Step 4: Simplify right side
    169,514.67x = 14,544,147,541.95
  5. Step 5: Solve for x
    x = 14,544,147,541.95/169,514.67
  6. Step 6: Final answer
    x = 85,798.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.