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Finding the Fourth Proportional to 254,293.44, 350,913.12 and 141,115.20

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Solution

The fourth proportional to 254,293.44, 350,913.12 and 141,115.20 is: 194,732.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,293.44 : 350,913.12 = 141,115.20 : x
  2. Step 2: Convert to fraction form
    254,293.44/350,913.12 = 141,115.20/x
  3. Step 3: Cross multiply
    254,293.44x = 350,913.12 × 141,115.20
  4. Step 4: Simplify right side
    254,293.44x = 49,519,175,111.42
  5. Step 5: Solve for x
    x = 49,519,175,111.42/254,293.44
  6. Step 6: Final answer
    x = 194,732.41

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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.