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Finding the Fourth Proportional to 235,813.44, 325,385.88 and 135,192

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Solution

The fourth proportional to 235,813.44, 325,385.88 and 135,192 is: 186,543.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,813.44 : 325,385.88 = 135,192 : x
  2. Step 2: Convert to fraction form
    235,813.44/325,385.88 = 135,192/x
  3. Step 3: Cross multiply
    235,813.44x = 325,385.88 × 135,192
  4. Step 4: Simplify right side
    235,813.44x = 43,989,567,888.96
  5. Step 5: Solve for x
    x = 43,989,567,888.96/235,813.44
  6. Step 6: Final answer
    x = 186,543.94

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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.