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Finding the Fourth Proportional to 133,697.22, 200,429.19 and 67,043.94

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Solution

The fourth proportional to 133,697.22, 200,429.19 and 67,043.94 is: 100,507.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,697.22 : 200,429.19 = 67,043.94 : x
  2. Step 2: Convert to fraction form
    133,697.22/200,429.19 = 67,043.94/x
  3. Step 3: Cross multiply
    133,697.22x = 200,429.19 × 67,043.94
  4. Step 4: Simplify right side
    133,697.22x = 13,437,562,588.61
  5. Step 5: Solve for x
    x = 13,437,562,588.61/133,697.22
  6. Step 6: Final answer
    x = 100,507.42

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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.