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Finding the Fourth Proportional to 239,251.32, 358,928.01 and 119,372.74

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Solution

The fourth proportional to 239,251.32, 358,928.01 and 119,372.74 is: 179,084.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,251.32 : 358,928.01 = 119,372.74 : x
  2. Step 2: Convert to fraction form
    239,251.32/358,928.01 = 119,372.74/x
  3. Step 3: Cross multiply
    239,251.32x = 358,928.01 × 119,372.74
  4. Step 4: Simplify right side
    239,251.32x = 42,846,219,119.13
  5. Step 5: Solve for x
    x = 42,846,219,119.13/239,251.32
  6. Step 6: Final answer
    x = 179,084.57

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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.