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Finding the Fourth Proportional to 229,464.88, 316,650.48 and 127,496.80

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Solution

The fourth proportional to 229,464.88, 316,650.48 and 127,496.80 is: 175,939.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,464.88 : 316,650.48 = 127,496.80 : x
  2. Step 2: Convert to fraction form
    229,464.88/316,650.48 = 127,496.80/x
  3. Step 3: Cross multiply
    229,464.88x = 316,650.48 × 127,496.80
  4. Step 4: Simplify right side
    229,464.88x = 40,371,922,918.46
  5. Step 5: Solve for x
    x = 40,371,922,918.46/229,464.88
  6. Step 6: Final answer
    x = 175,939.44

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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.