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Finding the Fourth Proportional to 85,533.34, 128,305.26 and 32,942.98

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Solution

The fourth proportional to 85,533.34, 128,305.26 and 32,942.98 is: 49,416.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,533.34 : 128,305.26 = 32,942.98 : x
  2. Step 2: Convert to fraction form
    85,533.34/128,305.26 = 32,942.98/x
  3. Step 3: Cross multiply
    85,533.34x = 128,305.26 × 32,942.98
  4. Step 4: Simplify right side
    85,533.34x = 4,226,757,614.07
  5. Step 5: Solve for x
    x = 4,226,757,614.07/85,533.34
  6. Step 6: Final answer
    x = 49,416.49

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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.