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Finding the Fourth Proportional to 265,184.94, 397,716.66 and 75,641.70

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Solution

The fourth proportional to 265,184.94, 397,716.66 and 75,641.70 is: 113,445.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,184.94 : 397,716.66 = 75,641.70 : x
  2. Step 2: Convert to fraction form
    265,184.94/397,716.66 = 75,641.70/x
  3. Step 3: Cross multiply
    265,184.94x = 397,716.66 × 75,641.70
  4. Step 4: Simplify right side
    265,184.94x = 30,083,964,280.72
  5. Step 5: Solve for x
    x = 30,083,964,280.72/265,184.94
  6. Step 6: Final answer
    x = 113,445.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.