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Finding the Fourth Proportional to 73,039.50, 100,703.16 and 60,957.36

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Solution

The fourth proportional to 73,039.50, 100,703.16 and 60,957.36 is: 84,044.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,039.50 : 100,703.16 = 60,957.36 : x
  2. Step 2: Convert to fraction form
    73,039.50/100,703.16 = 60,957.36/x
  3. Step 3: Cross multiply
    73,039.50x = 100,703.16 × 60,957.36
  4. Step 4: Simplify right side
    73,039.50x = 6,138,598,777.26
  5. Step 5: Solve for x
    x = 6,138,598,777.26/73,039.50
  6. Step 6: Final answer
    x = 84,044.92

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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.