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Finding the Fourth Proportional to 265,059.20, 365,781.69 and 145,827.20

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Solution

The fourth proportional to 265,059.20, 365,781.69 and 145,827.20 is: 201,241.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,059.20 : 365,781.69 = 145,827.20 : x
  2. Step 2: Convert to fraction form
    265,059.20/365,781.69 = 145,827.20/x
  3. Step 3: Cross multiply
    265,059.20x = 365,781.69 × 145,827.20
  4. Step 4: Simplify right side
    265,059.20x = 53,340,917,835.06
  5. Step 5: Solve for x
    x = 53,340,917,835.06/265,059.20
  6. Step 6: Final answer
    x = 201,241.53

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1.5x scale

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.