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Finding the Fourth Proportional to 229,373.37, 316,524.51 and 127,405.31

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Solution

The fourth proportional to 229,373.37, 316,524.51 and 127,405.31 is: 175,813.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,373.37 : 316,524.51 = 127,405.31 : x
  2. Step 2: Convert to fraction form
    229,373.37/316,524.51 = 127,405.31/x
  3. Step 3: Cross multiply
    229,373.37x = 316,524.51 × 127,405.31
  4. Step 4: Simplify right side
    229,373.37x = 40,326,901,736.53
  5. Step 5: Solve for x
    x = 40,326,901,736.53/229,373.37
  6. Step 6: Final answer
    x = 175,813.36

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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.