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Finding the Fourth Proportional to 133,759.29, 200,425.68 and 70,576.86

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Solution

The fourth proportional to 133,759.29, 200,425.68 and 70,576.86 is: 105,752.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,759.29 : 200,425.68 = 70,576.86 : x
  2. Step 2: Convert to fraction form
    133,759.29/200,425.68 = 70,576.86/x
  3. Step 3: Cross multiply
    133,759.29x = 200,425.68 × 70,576.86
  4. Step 4: Simplify right side
    133,759.29x = 14,145,415,157.76
  5. Step 5: Solve for x
    x = 14,145,415,157.76/133,759.29
  6. Step 6: Final answer
    x = 105,752.77

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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.