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Finding the Fourth Proportional to 111,746.39, 167,525.11 and 48,518.70

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Solution

The fourth proportional to 111,746.39, 167,525.11 and 48,518.70 is: 72,737.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,746.39 : 167,525.11 = 48,518.70 : x
  2. Step 2: Convert to fraction form
    111,746.39/167,525.11 = 48,518.70/x
  3. Step 3: Cross multiply
    111,746.39x = 167,525.11 × 48,518.70
  4. Step 4: Simplify right side
    111,746.39x = 8,128,099,986.99
  5. Step 5: Solve for x
    x = 8,128,099,986.99/111,746.39
  6. Step 6: Final answer
    x = 72,737.03

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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.