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Finding the Fourth Proportional to 235,409.48, 353,114.22 and 75,485.10

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Solution

The fourth proportional to 235,409.48, 353,114.22 and 75,485.10 is: 113,227.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,409.48 : 353,114.22 = 75,485.10 : x
  2. Step 2: Convert to fraction form
    235,409.48/353,114.22 = 75,485.10/x
  3. Step 3: Cross multiply
    235,409.48x = 353,114.22 × 75,485.10
  4. Step 4: Simplify right side
    235,409.48x = 26,654,862,208.12
  5. Step 5: Solve for x
    x = 26,654,862,208.12/235,409.48
  6. Step 6: Final answer
    x = 113,227.65

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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.