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Finding the Fourth Proportional to 254,519.73, 351,198.11 and 147,068.91

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Solution

The fourth proportional to 254,519.73, 351,198.11 and 147,068.91 is: 202,932.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,519.73 : 351,198.11 = 147,068.91 : x
  2. Step 2: Convert to fraction form
    254,519.73/351,198.11 = 147,068.91/x
  3. Step 3: Cross multiply
    254,519.73x = 351,198.11 × 147,068.91
  4. Step 4: Simplify right side
    254,519.73x = 51,650,323,599.43
  5. Step 5: Solve for x
    x = 51,650,323,599.43/254,519.73
  6. Step 6: Final answer
    x = 202,932.49

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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.