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Finding the Fourth Proportional to 133,660.68, 200,476.90 and 70,455.47

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Solution

The fourth proportional to 133,660.68, 200,476.90 and 70,455.47 is: 105,675.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,660.68 : 200,476.90 = 70,455.47 : x
  2. Step 2: Convert to fraction form
    133,660.68/200,476.90 = 70,455.47/x
  3. Step 3: Cross multiply
    133,660.68x = 200,476.90 × 70,455.47
  4. Step 4: Simplify right side
    133,660.68x = 14,124,693,861.37
  5. Step 5: Solve for x
    x = 14,124,693,861.37/133,660.68
  6. Step 6: Final answer
    x = 105,675.76

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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.