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Finding the Fourth Proportional to 92,768.82, 139,152.87 and 33,590.64

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Solution

The fourth proportional to 92,768.82, 139,152.87 and 33,590.64 is: 50,385.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,768.82 : 139,152.87 = 33,590.64 : x
  2. Step 2: Convert to fraction form
    92,768.82/139,152.87 = 33,590.64/x
  3. Step 3: Cross multiply
    92,768.82x = 139,152.87 × 33,590.64
  4. Step 4: Simplify right side
    92,768.82x = 4,674,234,608.92
  5. Step 5: Solve for x
    x = 4,674,234,608.92/92,768.82
  6. Step 6: Final answer
    x = 50,385.84

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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.