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Finding the Fourth Proportional to 125,957.49, 173,837.22 and 72,241.35

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Solution

The fourth proportional to 125,957.49, 173,837.22 and 72,241.35 is: 99,702.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,957.49 : 173,837.22 = 72,241.35 : x
  2. Step 2: Convert to fraction form
    125,957.49/173,837.22 = 72,241.35/x
  3. Step 3: Cross multiply
    125,957.49x = 173,837.22 × 72,241.35
  4. Step 4: Simplify right side
    125,957.49x = 12,558,235,453.05
  5. Step 5: Solve for x
    x = 12,558,235,453.05/125,957.49
  6. Step 6: Final answer
    x = 99,702.17

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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.