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Finding the Fourth Proportional to 95,486.85, 143,035.27 and 45,415.49

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Solution

The fourth proportional to 95,486.85, 143,035.27 and 45,415.49 is: 68,030.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,486.85 : 143,035.27 = 45,415.49 : x
  2. Step 2: Convert to fraction form
    95,486.85/143,035.27 = 45,415.49/x
  3. Step 3: Cross multiply
    95,486.85x = 143,035.27 × 45,415.49
  4. Step 4: Simplify right side
    95,486.85x = 6,496,016,045.62
  5. Step 5: Solve for x
    x = 6,496,016,045.62/95,486.85
  6. Step 6: Final answer
    x = 68,030.48

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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.