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Finding the Fourth Proportional to 95,693.74, 143,540.70 and 45,762.10

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Solution

The fourth proportional to 95,693.74, 143,540.70 and 45,762.10 is: 68,643.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,693.74 : 143,540.70 = 45,762.10 : x
  2. Step 2: Convert to fraction form
    95,693.74/143,540.70 = 45,762.10/x
  3. Step 3: Cross multiply
    95,693.74x = 143,540.70 × 45,762.10
  4. Step 4: Simplify right side
    95,693.74x = 6,568,723,867.47
  5. Step 5: Solve for x
    x = 6,568,723,867.47/95,693.74
  6. Step 6: Final answer
    x = 68,643.19

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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.