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Finding the Fourth Proportional to 265,619.65, 366,544.42 and 144,758.33

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Solution

The fourth proportional to 265,619.65, 366,544.42 and 144,758.33 is: 199,760.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,619.65 : 366,544.42 = 144,758.33 : x
  2. Step 2: Convert to fraction form
    265,619.65/366,544.42 = 144,758.33/x
  3. Step 3: Cross multiply
    265,619.65x = 366,544.42 × 144,758.33
  4. Step 4: Simplify right side
    265,619.65x = 53,060,358,110.02
  5. Step 5: Solve for x
    x = 53,060,358,110.02/265,619.65
  6. Step 6: Final answer
    x = 199,760.67

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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.