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Finding the Fourth Proportional to 254,677.88, 351,452.94 and 141,498.20

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Solution

The fourth proportional to 254,677.88, 351,452.94 and 141,498.20 is: 195,266.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,677.88 : 351,452.94 = 141,498.20 : x
  2. Step 2: Convert to fraction form
    254,677.88/351,452.94 = 141,498.20/x
  3. Step 3: Cross multiply
    254,677.88x = 351,452.94 × 141,498.20
  4. Step 4: Simplify right side
    254,677.88x = 49,729,958,394.71
  5. Step 5: Solve for x
    x = 49,729,958,394.71/254,677.88
  6. Step 6: Final answer
    x = 195,266.11

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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.