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Finding the Fourth Proportional to 316,742.54, 475,054.41 and 158,928.62

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Solution

The fourth proportional to 316,742.54, 475,054.41 and 158,928.62 is: 238,363.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,742.54 : 475,054.41 = 158,928.62 : x
  2. Step 2: Convert to fraction form
    316,742.54/475,054.41 = 158,928.62/x
  3. Step 3: Cross multiply
    316,742.54x = 475,054.41 × 158,928.62
  4. Step 4: Simplify right side
    316,742.54x = 75,499,741,806.21
  5. Step 5: Solve for x
    x = 75,499,741,806.21/316,742.54
  6. Step 6: Final answer
    x = 238,363.13

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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.