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Finding the Fourth Proportional to 235,125.84, 352,641.60 and 115,131.10

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Solution

The fourth proportional to 235,125.84, 352,641.60 and 115,131.10 is: 172,673.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,125.84 : 352,641.60 = 115,131.10 : x
  2. Step 2: Convert to fraction form
    235,125.84/352,641.60 = 115,131.10/x
  3. Step 3: Cross multiply
    235,125.84x = 352,641.60 × 115,131.10
  4. Step 4: Simplify right side
    235,125.84x = 40,600,015,313.76
  5. Step 5: Solve for x
    x = 40,600,015,313.76/235,125.84
  6. Step 6: Final answer
    x = 172,673.56

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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.