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Finding the Fourth Proportional to 235,451.54, 353,169.41 and 102,331.79

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Solution

The fourth proportional to 235,451.54, 353,169.41 and 102,331.79 is: 153,494.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,451.54 : 353,169.41 = 102,331.79 : x
  2. Step 2: Convert to fraction form
    235,451.54/353,169.41 = 102,331.79/x
  3. Step 3: Cross multiply
    235,451.54x = 353,169.41 × 102,331.79
  4. Step 4: Simplify right side
    235,451.54x = 36,140,457,898.54
  5. Step 5: Solve for x
    x = 36,140,457,898.54/235,451.54
  6. Step 6: Final answer
    x = 153,494.25

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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.