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Finding the Fourth Proportional to 183,771.20, 275,689.20 and 65,511.20

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Solution

The fourth proportional to 183,771.20, 275,689.20 and 65,511.20 is: 98,278.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,771.20 : 275,689.20 = 65,511.20 : x
  2. Step 2: Convert to fraction form
    183,771.20/275,689.20 = 65,511.20/x
  3. Step 3: Cross multiply
    183,771.20x = 275,689.20 × 65,511.20
  4. Step 4: Simplify right side
    183,771.20x = 18,060,730,319.04
  5. Step 5: Solve for x
    x = 18,060,730,319.04/183,771.20
  6. Step 6: Final answer
    x = 98,278.35

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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.