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Finding the Fourth Proportional to 111,720.86, 167,545.68 and 36,827.04

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Solution

The fourth proportional to 111,720.86, 167,545.68 and 36,827.04 is: 55,228.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,720.86 : 167,545.68 = 36,827.04 : x
  2. Step 2: Convert to fraction form
    111,720.86/167,545.68 = 36,827.04/x
  3. Step 3: Cross multiply
    111,720.86x = 167,545.68 × 36,827.04
  4. Step 4: Simplify right side
    111,720.86x = 6,170,211,459.19
  5. Step 5: Solve for x
    x = 6,170,211,459.19/111,720.86
  6. Step 6: Final answer
    x = 55,228.82

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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.