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Finding the Fourth Proportional to 229,481.87, 316,683.96 and 127,523.93

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Solution

The fourth proportional to 229,481.87, 316,683.96 and 127,523.93 is: 175,982.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,481.87 : 316,683.96 = 127,523.93 : x
  2. Step 2: Convert to fraction form
    229,481.87/316,683.96 = 127,523.93/x
  3. Step 3: Cross multiply
    229,481.87x = 316,683.96 × 127,523.93
  4. Step 4: Simplify right side
    229,481.87x = 40,384,783,147.16
  5. Step 5: Solve for x
    x = 40,384,783,147.16/229,481.87
  6. Step 6: Final answer
    x = 175,982.46

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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.