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Finding the Fourth Proportional to 89,775.54, 134,725.50 and 35,734.68

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Solution

The fourth proportional to 89,775.54, 134,725.50 and 35,734.68 is: 53,626.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,775.54 : 134,725.50 = 35,734.68 : x
  2. Step 2: Convert to fraction form
    89,775.54/134,725.50 = 35,734.68/x
  3. Step 3: Cross multiply
    89,775.54x = 134,725.50 × 35,734.68
  4. Step 4: Simplify right side
    89,775.54x = 4,814,372,630.34
  5. Step 5: Solve for x
    x = 4,814,372,630.34/89,775.54
  6. Step 6: Final answer
    x = 53,626.77

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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.