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Finding the Fourth Proportional to 96,757.96, 145,000.84 and 76,948.60

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Solution

The fourth proportional to 96,757.96, 145,000.84 and 76,948.60 is: 115,314.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,757.96 : 145,000.84 = 76,948.60 : x
  2. Step 2: Convert to fraction form
    96,757.96/145,000.84 = 76,948.60/x
  3. Step 3: Cross multiply
    96,757.96x = 145,000.84 × 76,948.60
  4. Step 4: Simplify right side
    96,757.96x = 11,157,611,636.82
  5. Step 5: Solve for x
    x = 11,157,611,636.82/96,757.96
  6. Step 6: Final answer
    x = 115,314.66

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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.