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Finding the Fourth Proportional to 229,161.37, 316,237.94 and 127,180.91

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Solution

The fourth proportional to 229,161.37, 316,237.94 and 127,180.91 is: 175,507.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,161.37 : 316,237.94 = 127,180.91 : x
  2. Step 2: Convert to fraction form
    229,161.37/316,237.94 = 127,180.91/x
  3. Step 3: Cross multiply
    229,161.37x = 316,237.94 × 127,180.91
  4. Step 4: Simplify right side
    229,161.37x = 40,219,428,985.73
  5. Step 5: Solve for x
    x = 40,219,428,985.73/229,161.37
  6. Step 6: Final answer
    x = 175,507.02

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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.