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Finding the Fourth Proportional to 76,697.73, 114,893.44 and 60,929.46

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Solution

The fourth proportional to 76,697.73, 114,893.44 and 60,929.46 is: 91,272.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,697.73 : 114,893.44 = 60,929.46 : x
  2. Step 2: Convert to fraction form
    76,697.73/114,893.44 = 60,929.46/x
  3. Step 3: Cross multiply
    76,697.73x = 114,893.44 × 60,929.46
  4. Step 4: Simplify right side
    76,697.73x = 7,000,395,104.42
  5. Step 5: Solve for x
    x = 7,000,395,104.42/76,697.73
  6. Step 6: Final answer
    x = 91,272.52

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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.