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Finding the Fourth Proportional to 133,955.96, 200,933.94 and 40,461.72

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Solution

The fourth proportional to 133,955.96, 200,933.94 and 40,461.72 is: 60,692.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,955.96 : 200,933.94 = 40,461.72 : x
  2. Step 2: Convert to fraction form
    133,955.96/200,933.94 = 40,461.72/x
  3. Step 3: Cross multiply
    133,955.96x = 200,933.94 × 40,461.72
  4. Step 4: Simplify right side
    133,955.96x = 8,130,132,818.78
  5. Step 5: Solve for x
    x = 8,130,132,818.78/133,955.96
  6. Step 6: Final answer
    x = 60,692.58

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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.