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Finding the Fourth Proportional to 93,011.53, 139,432.92 and 33,805.39

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Solution

The fourth proportional to 93,011.53, 139,432.92 and 33,805.39 is: 50,677.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,011.53 : 139,432.92 = 33,805.39 : x
  2. Step 2: Convert to fraction form
    93,011.53/139,432.92 = 33,805.39/x
  3. Step 3: Cross multiply
    93,011.53x = 139,432.92 × 33,805.39
  4. Step 4: Simplify right side
    93,011.53x = 4,713,584,239.44
  5. Step 5: Solve for x
    x = 4,713,584,239.44/93,011.53
  6. Step 6: Final answer
    x = 50,677.42

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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.