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Finding the Fourth Proportional to 96,157.25, 144,157.84 and 40,039.35

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Solution

The fourth proportional to 96,157.25, 144,157.84 and 40,039.35 is: 60,026.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,157.25 : 144,157.84 = 40,039.35 : x
  2. Step 2: Convert to fraction form
    96,157.25/144,157.84 = 40,039.35/x
  3. Step 3: Cross multiply
    96,157.25x = 144,157.84 × 40,039.35
  4. Step 4: Simplify right side
    96,157.25x = 5,771,986,211.00
  5. Step 5: Solve for x
    x = 5,771,986,211.00/96,157.25
  6. Step 6: Final answer
    x = 60,026.53

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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.