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Finding the Fourth Proportional to 92,850.84, 128,137.24 and 52,563.76

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Solution

The fourth proportional to 92,850.84, 128,137.24 and 52,563.76 is: 72,539.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,850.84 : 128,137.24 = 52,563.76 : x
  2. Step 2: Convert to fraction form
    92,850.84/128,137.24 = 52,563.76/x
  3. Step 3: Cross multiply
    92,850.84x = 128,137.24 × 52,563.76
  4. Step 4: Simplify right side
    92,850.84x = 6,735,375,130.42
  5. Step 5: Solve for x
    x = 6,735,375,130.42/92,850.84
  6. Step 6: Final answer
    x = 72,539.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.