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Finding the Fourth Proportional to 245,763.20, 368,385.60 and 95,945.60

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Solution

The fourth proportional to 245,763.20, 368,385.60 and 95,945.60 is: 143,817.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,763.20 : 368,385.60 = 95,945.60 : x
  2. Step 2: Convert to fraction form
    245,763.20/368,385.60 = 95,945.60/x
  3. Step 3: Cross multiply
    245,763.20x = 368,385.60 × 95,945.60
  4. Step 4: Simplify right side
    245,763.20x = 35,344,977,423.36
  5. Step 5: Solve for x
    x = 35,344,977,423.36/245,763.20
  6. Step 6: Final answer
    x = 143,817.21

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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.