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Finding the Fourth Proportional to 265,328.82, 366,160.74 and 144,475.20

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Solution

The fourth proportional to 265,328.82, 366,160.74 and 144,475.20 is: 199,379.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,328.82 : 366,160.74 = 144,475.20 : x
  2. Step 2: Convert to fraction form
    265,328.82/366,160.74 = 144,475.20/x
  3. Step 3: Cross multiply
    265,328.82x = 366,160.74 × 144,475.20
  4. Step 4: Simplify right side
    265,328.82x = 52,901,146,143.65
  5. Step 5: Solve for x
    x = 52,901,146,143.65/265,328.82
  6. Step 6: Final answer
    x = 199,379.57

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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.