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Finding the Fourth Proportional to 265,563.55, 366,472.96 and 144,705.88

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Solution

The fourth proportional to 265,563.55, 366,472.96 and 144,705.88 is: 199,691.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,563.55 : 366,472.96 = 144,705.88 : x
  2. Step 2: Convert to fraction form
    265,563.55/366,472.96 = 144,705.88/x
  3. Step 3: Cross multiply
    265,563.55x = 366,472.96 × 144,705.88
  4. Step 4: Simplify right side
    265,563.55x = 53,030,792,173.00
  5. Step 5: Solve for x
    x = 53,030,792,173.00/265,563.55
  6. Step 6: Final answer
    x = 199,691.53

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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.