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Finding the Fourth Proportional to 235,858.96, 353,835.13 and 67,380.74

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Solution

The fourth proportional to 235,858.96, 353,835.13 and 67,380.74 is: 101,084.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,858.96 : 353,835.13 = 67,380.74 : x
  2. Step 2: Convert to fraction form
    235,858.96/353,835.13 = 67,380.74/x
  3. Step 3: Cross multiply
    235,858.96x = 353,835.13 × 67,380.74
  4. Step 4: Simplify right side
    235,858.96x = 23,841,672,897.40
  5. Step 5: Solve for x
    x = 23,841,672,897.40/235,858.96
  6. Step 6: Final answer
    x = 101,084.45

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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.