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Finding the Fourth Proportional to 239,243.00, 330,169.11 and 137,267.51

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Solution

The fourth proportional to 239,243.00, 330,169.11 and 137,267.51 is: 189,437.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,243.00 : 330,169.11 = 137,267.51 : x
  2. Step 2: Convert to fraction form
    239,243.00/330,169.11 = 137,267.51/x
  3. Step 3: Cross multiply
    239,243.00x = 330,169.11 × 137,267.51
  4. Step 4: Simplify right side
    239,243.00x = 45,321,490,922.28
  5. Step 5: Solve for x
    x = 45,321,490,922.28/239,243.00
  6. Step 6: Final answer
    x = 189,437.07

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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.