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Finding the Fourth Proportional to 265,143.22, 365,905.33 and 144,292.30

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Solution

The fourth proportional to 265,143.22, 365,905.33 and 144,292.30 is: 199,127.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,143.22 : 365,905.33 = 144,292.30 : x
  2. Step 2: Convert to fraction form
    265,143.22/365,905.33 = 144,292.30/x
  3. Step 3: Cross multiply
    265,143.22x = 365,905.33 × 144,292.30
  4. Step 4: Simplify right side
    265,143.22x = 52,797,320,372.46
  5. Step 5: Solve for x
    x = 52,797,320,372.46/265,143.22
  6. Step 6: Final answer
    x = 199,127.55

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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.