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Finding the Fourth Proportional to 222,876.88, 307,495.26 and 127,315.90

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Solution

The fourth proportional to 222,876.88, 307,495.26 and 127,315.90 is: 175,653.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,876.88 : 307,495.26 = 127,315.90 : x
  2. Step 2: Convert to fraction form
    222,876.88/307,495.26 = 127,315.90/x
  3. Step 3: Cross multiply
    222,876.88x = 307,495.26 × 127,315.90
  4. Step 4: Simplify right side
    222,876.88x = 39,149,035,772.63
  5. Step 5: Solve for x
    x = 39,149,035,772.63/222,876.88
  6. Step 6: Final answer
    x = 175,653.19

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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.