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Finding the Fourth Proportional to 133,872.71, 200,861.64 and 58,940.28

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Solution

The fourth proportional to 133,872.71, 200,861.64 and 58,940.28 is: 88,433.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,872.71 : 200,861.64 = 58,940.28 : x
  2. Step 2: Convert to fraction form
    133,872.71/200,861.64 = 58,940.28/x
  3. Step 3: Cross multiply
    133,872.71x = 200,861.64 × 58,940.28
  4. Step 4: Simplify right side
    133,872.71x = 11,838,841,302.86
  5. Step 5: Solve for x
    x = 11,838,841,302.86/133,872.71
  6. Step 6: Final answer
    x = 88,433.57

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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.