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Finding the Fourth Proportional to 133,670.80, 200,381.61 and 67,033.06

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Solution

The fourth proportional to 133,670.80, 200,381.61 and 67,033.06 is: 100,487.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,670.80 : 200,381.61 = 67,033.06 : x
  2. Step 2: Convert to fraction form
    133,670.80/200,381.61 = 67,033.06/x
  3. Step 3: Cross multiply
    133,670.80x = 200,381.61 × 67,033.06
  4. Step 4: Simplify right side
    133,670.80x = 13,432,192,486.03
  5. Step 5: Solve for x
    x = 13,432,192,486.03/133,670.80
  6. Step 6: Final answer
    x = 100,487.11

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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.