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Finding the Fourth Proportional to 120,904.96, 181,357.12 and 32,158.48

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Solution

The fourth proportional to 120,904.96, 181,357.12 and 32,158.48 is: 48,237.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,904.96 : 181,357.12 = 32,158.48 : x
  2. Step 2: Convert to fraction form
    120,904.96/181,357.12 = 32,158.48/x
  3. Step 3: Cross multiply
    120,904.96x = 181,357.12 × 32,158.48
  4. Step 4: Simplify right side
    120,904.96x = 5,832,169,316.38
  5. Step 5: Solve for x
    x = 5,832,169,316.38/120,904.96
  6. Step 6: Final answer
    x = 48,237.63

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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.