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Finding the Fourth Proportional to 229,449.60, 316,644.45 and 127,484.37

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Solution

The fourth proportional to 229,449.60, 316,644.45 and 127,484.37 is: 175,930.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,449.60 : 316,644.45 = 127,484.37 : x
  2. Step 2: Convert to fraction form
    229,449.60/316,644.45 = 127,484.37/x
  3. Step 3: Cross multiply
    229,449.60x = 316,644.45 × 127,484.37
  4. Step 4: Simplify right side
    229,449.60x = 40,367,218,222.25
  5. Step 5: Solve for x
    x = 40,367,218,222.25/229,449.60
  6. Step 6: Final answer
    x = 175,930.65

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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.