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Finding the Fourth Proportional to 239,004.52, 358,728.32 and 120,758.97

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Solution

The fourth proportional to 239,004.52, 358,728.32 and 120,758.97 is: 181,250.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,004.52 : 358,728.32 = 120,758.97 : x
  2. Step 2: Convert to fraction form
    239,004.52/358,728.32 = 120,758.97/x
  3. Step 3: Cross multiply
    239,004.52x = 358,728.32 × 120,758.97
  4. Step 4: Simplify right side
    239,004.52x = 43,319,662,433.03
  5. Step 5: Solve for x
    x = 43,319,662,433.03/239,004.52
  6. Step 6: Final answer
    x = 181,250.39

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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.