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Finding the Fourth Proportional to 265,139.54, 365,900.27 and 144,288.62

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Solution

The fourth proportional to 265,139.54, 365,900.27 and 144,288.62 is: 199,122.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,139.54 : 365,900.27 = 144,288.62 : x
  2. Step 2: Convert to fraction form
    265,139.54/365,900.27 = 144,288.62/x
  3. Step 3: Cross multiply
    265,139.54x = 365,900.27 × 144,288.62
  4. Step 4: Simplify right side
    265,139.54x = 52,795,246,706.92
  5. Step 5: Solve for x
    x = 52,795,246,706.92/265,139.54
  6. Step 6: Final answer
    x = 199,122.49

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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.