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Finding the Fourth Proportional to 164,945.60, 247,310.40 and 65,045.60

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Solution

The fourth proportional to 164,945.60, 247,310.40 and 65,045.60 is: 97,525.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,945.60 : 247,310.40 = 65,045.60 : x
  2. Step 2: Convert to fraction form
    164,945.60/247,310.40 = 65,045.60/x
  3. Step 3: Cross multiply
    164,945.60x = 247,310.40 × 65,045.60
  4. Step 4: Simplify right side
    164,945.60x = 16,086,453,354.24
  5. Step 5: Solve for x
    x = 16,086,453,354.24/164,945.60
  6. Step 6: Final answer
    x = 97,525.81

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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.