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Finding the Fourth Proportional to 238,903.29, 329,686.61 and 131,473.31

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Solution

The fourth proportional to 238,903.29, 329,686.61 and 131,473.31 is: 181,433.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,903.29 : 329,686.61 = 131,473.31 : x
  2. Step 2: Convert to fraction form
    238,903.29/329,686.61 = 131,473.31/x
  3. Step 3: Cross multiply
    238,903.29x = 329,686.61 × 131,473.31
  4. Step 4: Simplify right side
    238,903.29x = 43,344,987,573.58
  5. Step 5: Solve for x
    x = 43,344,987,573.58/238,903.29
  6. Step 6: Final answer
    x = 181,433.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.