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Finding the Fourth Proportional to 103,679.95, 155,519.93 and 33,566.35

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Solution

The fourth proportional to 103,679.95, 155,519.93 and 33,566.35 is: 50,349.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,679.95 : 155,519.93 = 33,566.35 : x
  2. Step 2: Convert to fraction form
    103,679.95/155,519.93 = 33,566.35/x
  3. Step 3: Cross multiply
    103,679.95x = 155,519.93 × 33,566.35
  4. Step 4: Simplify right side
    103,679.95x = 5,220,236,402.36
  5. Step 5: Solve for x
    x = 5,220,236,402.36/103,679.95
  6. Step 6: Final answer
    x = 50,349.53

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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.