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Finding the Fourth Proportional to 121,281.92, 181,910.16 and 32,544.52

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Solution

The fourth proportional to 121,281.92, 181,910.16 and 32,544.52 is: 48,813.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,281.92 : 181,910.16 = 32,544.52 : x
  2. Step 2: Convert to fraction form
    121,281.92/181,910.16 = 32,544.52/x
  3. Step 3: Cross multiply
    121,281.92x = 181,910.16 × 32,544.52
  4. Step 4: Simplify right side
    121,281.92x = 5,920,178,840.32
  5. Step 5: Solve for x
    x = 5,920,178,840.32/121,281.92
  6. Step 6: Final answer
    x = 48,813.37

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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.