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Finding the Fourth Proportional to 89,878.96, 134,806.68 and 26,697.84

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Solution

The fourth proportional to 89,878.96, 134,806.68 and 26,697.84 is: 40,043.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,878.96 : 134,806.68 = 26,697.84 : x
  2. Step 2: Convert to fraction form
    89,878.96/134,806.68 = 26,697.84/x
  3. Step 3: Cross multiply
    89,878.96x = 134,806.68 × 26,697.84
  4. Step 4: Simplify right side
    89,878.96x = 3,599,047,173.57
  5. Step 5: Solve for x
    x = 3,599,047,173.57/89,878.96
  6. Step 6: Final answer
    x = 40,043.27

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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.