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Finding the Fourth Proportional to 133,760.55, 200,671.55 and 45,011.68

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Solution

The fourth proportional to 133,760.55, 200,671.55 and 45,011.68 is: 67,527.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,760.55 : 200,671.55 = 45,011.68 : x
  2. Step 2: Convert to fraction form
    133,760.55/200,671.55 = 45,011.68/x
  3. Step 3: Cross multiply
    133,760.55x = 200,671.55 × 45,011.68
  4. Step 4: Simplify right side
    133,760.55x = 9,032,563,593.70
  5. Step 5: Solve for x
    x = 9,032,563,593.70/133,760.55
  6. Step 6: Final answer
    x = 67,527.86

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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.