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Finding the Fourth Proportional to 235,679.88, 353,555.00 and 109,332.90

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Solution

The fourth proportional to 235,679.88, 353,555.00 and 109,332.90 is: 164,015.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,679.88 : 353,555.00 = 109,332.90 : x
  2. Step 2: Convert to fraction form
    235,679.88/353,555.00 = 109,332.90/x
  3. Step 3: Cross multiply
    235,679.88x = 353,555.00 × 109,332.90
  4. Step 4: Simplify right side
    235,679.88x = 38,655,191,757.64
  5. Step 5: Solve for x
    x = 38,655,191,757.64/235,679.88
  6. Step 6: Final answer
    x = 164,015.66

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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.