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Finding the Fourth Proportional to 254,129.64, 350,699.13 and 140,952.39

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Solution

The fourth proportional to 254,129.64, 350,699.13 and 140,952.39 is: 194,514.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,129.64 : 350,699.13 = 140,952.39 : x
  2. Step 2: Convert to fraction form
    254,129.64/350,699.13 = 140,952.39/x
  3. Step 3: Cross multiply
    254,129.64x = 350,699.13 × 140,952.39
  4. Step 4: Simplify right side
    254,129.64x = 49,431,880,544.42
  5. Step 5: Solve for x
    x = 49,431,880,544.42/254,129.64
  6. Step 6: Final answer
    x = 194,514.42

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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.