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Finding the Fourth Proportional to 195,888.73, 293,833.10 and 129,313.26

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Solution

The fourth proportional to 195,888.73, 293,833.10 and 129,313.26 is: 193,969.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,888.73 : 293,833.10 = 129,313.26 : x
  2. Step 2: Convert to fraction form
    195,888.73/293,833.10 = 129,313.26/x
  3. Step 3: Cross multiply
    195,888.73x = 293,833.10 × 129,313.26
  4. Step 4: Simplify right side
    195,888.73x = 37,996,515,410.34
  5. Step 5: Solve for x
    x = 37,996,515,410.34/195,888.73
  6. Step 6: Final answer
    x = 193,969.89

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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.