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Finding the Fourth Proportional to 73,460, 101,374.80 and 43,652

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Solution

The fourth proportional to 73,460, 101,374.80 and 43,652 is: 60,239.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,460 : 101,374.80 = 43,652 : x
  2. Step 2: Convert to fraction form
    73,460/101,374.80 = 43,652/x
  3. Step 3: Cross multiply
    73,460x = 101,374.80 × 43,652
  4. Step 4: Simplify right side
    73,460x = 4,425,212,769.60
  5. Step 5: Solve for x
    x = 4,425,212,769.60/73,460
  6. Step 6: Final answer
    x = 60,239.76

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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.