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Finding the Fourth Proportional to 265,633.77, 366,563.91 and 144,772.45

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Solution

The fourth proportional to 265,633.77, 366,563.91 and 144,772.45 is: 199,780.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,633.77 : 366,563.91 = 144,772.45 : x
  2. Step 2: Convert to fraction form
    265,633.77/366,563.91 = 144,772.45/x
  3. Step 3: Cross multiply
    265,633.77x = 366,563.91 × 144,772.45
  4. Step 4: Simplify right side
    265,633.77x = 53,068,355,705.79
  5. Step 5: Solve for x
    x = 53,068,355,705.79/265,633.77
  6. Step 6: Final answer
    x = 199,780.16

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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.