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Finding the Fourth Proportional to 265,209.72, 365,990.92 and 144,350.72

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Solution

The fourth proportional to 265,209.72, 365,990.92 and 144,350.72 is: 199,204.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,209.72 : 365,990.92 = 144,350.72 : x
  2. Step 2: Convert to fraction form
    265,209.72/365,990.92 = 144,350.72/x
  3. Step 3: Cross multiply
    265,209.72x = 365,990.92 × 144,350.72
  4. Step 4: Simplify right side
    265,209.72x = 52,831,052,815.46
  5. Step 5: Solve for x
    x = 52,831,052,815.46/265,209.72
  6. Step 6: Final answer
    x = 199,204.81

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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.