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Finding the Fourth Proportional to 239,051.50, 329,891.08 and 133,067.50

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Solution

The fourth proportional to 239,051.50, 329,891.08 and 133,067.50 is: 183,633.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,051.50 : 329,891.08 = 133,067.50 : x
  2. Step 2: Convert to fraction form
    239,051.50/329,891.08 = 133,067.50/x
  3. Step 3: Cross multiply
    239,051.50x = 329,891.08 × 133,067.50
  4. Step 4: Simplify right side
    239,051.50x = 43,897,781,287.90
  5. Step 5: Solve for x
    x = 43,897,781,287.90/239,051.50
  6. Step 6: Final answer
    x = 183,633.16

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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.