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Finding the Fourth Proportional to 235,676.55, 325,240.98 and 133,706.30

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Solution

The fourth proportional to 235,676.55, 325,240.98 and 133,706.30 is: 184,518.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,676.55 : 325,240.98 = 133,706.30 : x
  2. Step 2: Convert to fraction form
    235,676.55/325,240.98 = 133,706.30/x
  3. Step 3: Cross multiply
    235,676.55x = 325,240.98 × 133,706.30
  4. Step 4: Simplify right side
    235,676.55x = 43,486,766,417.97
  5. Step 5: Solve for x
    x = 43,486,766,417.97/235,676.55
  6. Step 6: Final answer
    x = 184,518.85

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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.