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Finding the Fourth Proportional to 229,806.76, 317,152.49 and 127,851.43

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Solution

The fourth proportional to 229,806.76, 317,152.49 and 127,851.43 is: 176,445.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,806.76 : 317,152.49 = 127,851.43 : x
  2. Step 2: Convert to fraction form
    229,806.76/317,152.49 = 127,851.43/x
  3. Step 3: Cross multiply
    229,806.76x = 317,152.49 × 127,851.43
  4. Step 4: Simplify right side
    229,806.76x = 40,548,397,942.42
  5. Step 5: Solve for x
    x = 40,548,397,942.42/229,806.76
  6. Step 6: Final answer
    x = 176,445.63

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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.