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Finding the Fourth Proportional to 270,800.80, 373,587.44 and 163,311.10

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Solution

The fourth proportional to 270,800.80, 373,587.44 and 163,311.10 is: 225,298.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,800.80 : 373,587.44 = 163,311.10 : x
  2. Step 2: Convert to fraction form
    270,800.80/373,587.44 = 163,311.10/x
  3. Step 3: Cross multiply
    270,800.80x = 373,587.44 × 163,311.10
  4. Step 4: Simplify right side
    270,800.80x = 61,010,975,772.58
  5. Step 5: Solve for x
    x = 61,010,975,772.58/270,800.80
  6. Step 6: Final answer
    x = 225,298.36

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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.