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Finding the Fourth Proportional to 265,143.11, 365,905.25 and 144,292.22

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Solution

The fourth proportional to 265,143.11, 365,905.25 and 144,292.22 is: 199,127.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,143.11 : 365,905.25 = 144,292.22 : x
  2. Step 2: Convert to fraction form
    265,143.11/365,905.25 = 144,292.22/x
  3. Step 3: Cross multiply
    265,143.11x = 365,905.25 × 144,292.22
  4. Step 4: Simplify right side
    265,143.11x = 52,797,280,194.41
  5. Step 5: Solve for x
    x = 52,797,280,194.41/265,143.11
  6. Step 6: Final answer
    x = 199,127.49

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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.