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Finding the Fourth Proportional to 89,010.60, 133,602.30 and 44,687.40

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Solution

The fourth proportional to 89,010.60, 133,602.30 and 44,687.40 is: 67,074.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,010.60 : 133,602.30 = 44,687.40 : x
  2. Step 2: Convert to fraction form
    89,010.60/133,602.30 = 44,687.40/x
  3. Step 3: Cross multiply
    89,010.60x = 133,602.30 × 44,687.40
  4. Step 4: Simplify right side
    89,010.60x = 5,970,339,421.02
  5. Step 5: Solve for x
    x = 5,970,339,421.02/89,010.60
  6. Step 6: Final answer
    x = 67,074.48

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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.