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Finding the Fourth Proportional to 73,461, 101,376.18 and 43,653

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Solution

The fourth proportional to 73,461, 101,376.18 and 43,653 is: 60,241.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,461 : 101,376.18 = 43,653 : x
  2. Step 2: Convert to fraction form
    73,461/101,376.18 = 43,653/x
  3. Step 3: Cross multiply
    73,461x = 101,376.18 × 43,653
  4. Step 4: Simplify right side
    73,461x = 4,425,374,385.54
  5. Step 5: Solve for x
    x = 4,425,374,385.54/73,461
  6. Step 6: Final answer
    x = 60,241.14

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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.