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Finding the Fourth Proportional to 265,630.98, 366,568.45 and 144,772.25

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Solution

The fourth proportional to 265,630.98, 366,568.45 and 144,772.25 is: 199,784.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,630.98 : 366,568.45 = 144,772.25 : x
  2. Step 2: Convert to fraction form
    265,630.98/366,568.45 = 144,772.25/x
  3. Step 3: Cross multiply
    265,630.98x = 366,568.45 × 144,772.25
  4. Step 4: Simplify right side
    265,630.98x = 53,068,937,090.74
  5. Step 5: Solve for x
    x = 53,068,937,090.74/265,630.98
  6. Step 6: Final answer
    x = 199,784.44

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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.