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Finding the Fourth Proportional to 76,000.60, 106,575.80 and 76,000.60

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Solution

The fourth proportional to 76,000.60, 106,575.80 and 76,000.60 is: 106,575.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,000.60 : 106,575.80 = 76,000.60 : x
  2. Step 2: Convert to fraction form
    76,000.60/106,575.80 = 76,000.60/x
  3. Step 3: Cross multiply
    76,000.60x = 106,575.80 × 76,000.60
  4. Step 4: Simplify right side
    76,000.60x = 8,099,824,745.48
  5. Step 5: Solve for x
    x = 8,099,824,745.48/76,000.60
  6. Step 6: Final answer
    x = 106,575.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.