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Finding the Fourth Proportional to 100,009.84, 149,968.59 and 36,814.12

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Solution

The fourth proportional to 100,009.84, 149,968.59 and 36,814.12 is: 55,204.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,009.84 : 149,968.59 = 36,814.12 : x
  2. Step 2: Convert to fraction form
    100,009.84/149,968.59 = 36,814.12/x
  3. Step 3: Cross multiply
    100,009.84x = 149,968.59 × 36,814.12
  4. Step 4: Simplify right side
    100,009.84x = 5,520,961,668.49
  5. Step 5: Solve for x
    x = 5,520,961,668.49/100,009.84
  6. Step 6: Final answer
    x = 55,204.18

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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.