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Finding the Fourth Proportional to 229,179.87, 316,262.17 and 127,205.07

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Solution

The fourth proportional to 229,179.87, 316,262.17 and 127,205.07 is: 175,539.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,179.87 : 316,262.17 = 127,205.07 : x
  2. Step 2: Convert to fraction form
    229,179.87/316,262.17 = 127,205.07/x
  3. Step 3: Cross multiply
    229,179.87x = 316,262.17 × 127,205.07
  4. Step 4: Simplify right side
    229,179.87x = 40,230,150,446.23
  5. Step 5: Solve for x
    x = 40,230,150,446.23/229,179.87
  6. Step 6: Final answer
    x = 175,539.63

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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.