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Finding the Fourth Proportional to 265,290.75, 397,685.97 and 132,045.04

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Solution

The fourth proportional to 265,290.75, 397,685.97 and 132,045.04 is: 197,943.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,290.75 : 397,685.97 = 132,045.04 : x
  2. Step 2: Convert to fraction form
    265,290.75/397,685.97 = 132,045.04/x
  3. Step 3: Cross multiply
    265,290.75x = 397,685.97 × 132,045.04
  4. Step 4: Simplify right side
    265,290.75x = 52,512,460,313.20
  5. Step 5: Solve for x
    x = 52,512,460,313.20/265,290.75
  6. Step 6: Final answer
    x = 197,943.05

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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.