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Finding the Fourth Proportional to 265,563.96, 366,479.81 and 158,138.52

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Solution

The fourth proportional to 265,563.96, 366,479.81 and 158,138.52 is: 218,232.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,563.96 : 366,479.81 = 158,138.52 : x
  2. Step 2: Convert to fraction form
    265,563.96/366,479.81 = 158,138.52/x
  3. Step 3: Cross multiply
    265,563.96x = 366,479.81 × 158,138.52
  4. Step 4: Simplify right side
    265,563.96x = 57,954,574,763.28
  5. Step 5: Solve for x
    x = 57,954,574,763.28/265,563.96
  6. Step 6: Final answer
    x = 218,232.08

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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.