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Finding the Fourth Proportional to 133,434.30, 200,260.80 and 129,060.30

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Solution

The fourth proportional to 133,434.30, 200,260.80 and 129,060.30 is: 193,696.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,434.30 : 200,260.80 = 129,060.30 : x
  2. Step 2: Convert to fraction form
    133,434.30/200,260.80 = 129,060.30/x
  3. Step 3: Cross multiply
    133,434.30x = 200,260.80 × 129,060.30
  4. Step 4: Simplify right side
    133,434.30x = 25,845,718,926.24
  5. Step 5: Solve for x
    x = 25,845,718,926.24/133,434.30
  6. Step 6: Final answer
    x = 193,696.22

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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.