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Finding the Fourth Proportional to 335,453.72, 503,078.51 and 95,587.20

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Solution

The fourth proportional to 335,453.72, 503,078.51 and 95,587.20 is: 143,351.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,453.72 : 503,078.51 = 95,587.20 : x
  2. Step 2: Convert to fraction form
    335,453.72/503,078.51 = 95,587.20/x
  3. Step 3: Cross multiply
    335,453.72x = 503,078.51 × 95,587.20
  4. Step 4: Simplify right side
    335,453.72x = 48,087,866,390.04
  5. Step 5: Solve for x
    x = 48,087,866,390.04/335,453.72
  6. Step 6: Final answer
    x = 143,351.72

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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.