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Finding the Fourth Proportional to 124,466.22, 186,531.93 and 68,221.98

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Solution

The fourth proportional to 124,466.22, 186,531.93 and 68,221.98 is: 102,241.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,466.22 : 186,531.93 = 68,221.98 : x
  2. Step 2: Convert to fraction form
    124,466.22/186,531.93 = 68,221.98/x
  3. Step 3: Cross multiply
    124,466.22x = 186,531.93 × 68,221.98
  4. Step 4: Simplify right side
    124,466.22x = 12,725,577,597.82
  5. Step 5: Solve for x
    x = 12,725,577,597.82/124,466.22
  6. Step 6: Final answer
    x = 102,241.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.