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Finding the Fourth Proportional to 265,679.16, 366,631.38 and 144,815.80

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Solution

The fourth proportional to 265,679.16, 366,631.38 and 144,815.80 is: 199,842.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,679.16 : 366,631.38 = 144,815.80 : x
  2. Step 2: Convert to fraction form
    265,679.16/366,631.38 = 144,815.80/x
  3. Step 3: Cross multiply
    265,679.16x = 366,631.38 × 144,815.80
  4. Step 4: Simplify right side
    265,679.16x = 53,094,016,599.80
  5. Step 5: Solve for x
    x = 53,094,016,599.80/265,679.16
  6. Step 6: Final answer
    x = 199,842.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.