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Finding the Fourth Proportional to 88,740, 133,129.44 and 33,336

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Solution

The fourth proportional to 88,740, 133,129.44 and 33,336 is: 50,011.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,740 : 133,129.44 = 33,336 : x
  2. Step 2: Convert to fraction form
    88,740/133,129.44 = 33,336/x
  3. Step 3: Cross multiply
    88,740x = 133,129.44 × 33,336
  4. Step 4: Simplify right side
    88,740x = 4,438,003,011.84
  5. Step 5: Solve for x
    x = 4,438,003,011.84/88,740
  6. Step 6: Final answer
    x = 50,011.30

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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.