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Finding the Fourth Proportional to 367,002.16, 550,371.12 and 127,050.88

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Solution

The fourth proportional to 367,002.16, 550,371.12 and 127,050.88 is: 190,530.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,002.16 : 550,371.12 = 127,050.88 : x
  2. Step 2: Convert to fraction form
    367,002.16/550,371.12 = 127,050.88/x
  3. Step 3: Cross multiply
    367,002.16x = 550,371.12 × 127,050.88
  4. Step 4: Simplify right side
    367,002.16x = 69,925,135,122.59
  5. Step 5: Solve for x
    x = 69,925,135,122.59/367,002.16
  6. Step 6: Final answer
    x = 190,530.58

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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.