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Finding the Fourth Proportional to 133,717.60, 200,527.80 and 67,135.60

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Solution

The fourth proportional to 133,717.60, 200,527.80 and 67,135.60 is: 100,679.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,717.60 : 200,527.80 = 67,135.60 : x
  2. Step 2: Convert to fraction form
    133,717.60/200,527.80 = 67,135.60/x
  3. Step 3: Cross multiply
    133,717.60x = 200,527.80 × 67,135.60
  4. Step 4: Simplify right side
    133,717.60x = 13,462,554,169.68
  5. Step 5: Solve for x
    x = 13,462,554,169.68/133,717.60
  6. Step 6: Final answer
    x = 100,679.00

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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.