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Finding the Fourth Proportional to 235,379.80, 324,830.44 and 127,957.04

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Solution

The fourth proportional to 235,379.80, 324,830.44 and 127,957.04 is: 176,584.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,379.80 : 324,830.44 = 127,957.04 : x
  2. Step 2: Convert to fraction form
    235,379.80/324,830.44 = 127,957.04/x
  3. Step 3: Cross multiply
    235,379.80x = 324,830.44 × 127,957.04
  4. Step 4: Simplify right side
    235,379.80x = 41,564,341,604.30
  5. Step 5: Solve for x
    x = 41,564,341,604.30/235,379.80
  6. Step 6: Final answer
    x = 176,584.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.