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Finding the Fourth Proportional to 100,605.84, 150,814.98 and 33,999.39

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Solution

The fourth proportional to 100,605.84, 150,814.98 and 33,999.39 is: 50,967.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,605.84 : 150,814.98 = 33,999.39 : x
  2. Step 2: Convert to fraction form
    100,605.84/150,814.98 = 33,999.39/x
  3. Step 3: Cross multiply
    100,605.84x = 150,814.98 × 33,999.39
  4. Step 4: Simplify right side
    100,605.84x = 5,127,617,322.86
  5. Step 5: Solve for x
    x = 5,127,617,322.86/100,605.84
  6. Step 6: Final answer
    x = 50,967.39

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1.5x scale

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.