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Finding the Fourth Proportional to 120,810.54, 181,201.72 and 32,070.92

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Solution

The fourth proportional to 120,810.54, 181,201.72 and 32,070.92 is: 48,102.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,810.54 : 181,201.72 = 32,070.92 : x
  2. Step 2: Convert to fraction form
    120,810.54/181,201.72 = 32,070.92/x
  3. Step 3: Cross multiply
    120,810.54x = 181,201.72 × 32,070.92
  4. Step 4: Simplify right side
    120,810.54x = 5,811,305,865.98
  5. Step 5: Solve for x
    x = 5,811,305,865.98/120,810.54
  6. Step 6: Final answer
    x = 48,102.64

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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.