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Finding the Fourth Proportional to 96,707.88, 145,015.25 and 75,594.42

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Solution

The fourth proportional to 96,707.88, 145,015.25 and 75,594.42 is: 113,355.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,707.88 : 145,015.25 = 75,594.42 : x
  2. Step 2: Convert to fraction form
    96,707.88/145,015.25 = 75,594.42/x
  3. Step 3: Cross multiply
    96,707.88x = 145,015.25 × 75,594.42
  4. Step 4: Simplify right side
    96,707.88x = 10,962,343,336.93
  5. Step 5: Solve for x
    x = 10,962,343,336.93/96,707.88
  6. Step 6: Final answer
    x = 113,355.22

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1.5x scale

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.