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Finding the Fourth Proportional to 270,904.80, 373,851.35 and 163,454.15

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Solution

The fourth proportional to 270,904.80, 373,851.35 and 163,454.15 is: 225,568.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,904.80 : 373,851.35 = 163,454.15 : x
  2. Step 2: Convert to fraction form
    270,904.80/373,851.35 = 163,454.15/x
  3. Step 3: Cross multiply
    270,904.80x = 373,851.35 × 163,454.15
  4. Step 4: Simplify right side
    270,904.80x = 61,107,555,370.91
  5. Step 5: Solve for x
    x = 61,107,555,370.91/270,904.80
  6. Step 6: Final answer
    x = 225,568.37

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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.