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Finding the Fourth Proportional to 239,009.46, 358,735.86 and 120,763.84

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Solution

The fourth proportional to 239,009.46, 358,735.86 and 120,763.84 is: 181,257.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,009.46 : 358,735.86 = 120,763.84 : x
  2. Step 2: Convert to fraction form
    239,009.46/358,735.86 = 120,763.84/x
  3. Step 3: Cross multiply
    239,009.46x = 358,735.86 × 120,763.84
  4. Step 4: Simplify right side
    239,009.46x = 43,322,319,999.30
  5. Step 5: Solve for x
    x = 43,322,319,999.30/239,009.46
  6. Step 6: Final answer
    x = 181,257.76

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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.