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Finding the Fourth Proportional to 111,748.95, 167,587.79 and 36,855.14

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Solution

The fourth proportional to 111,748.95, 167,587.79 and 36,855.14 is: 55,270.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,748.95 : 167,587.79 = 36,855.14 : x
  2. Step 2: Convert to fraction form
    111,748.95/167,587.79 = 36,855.14/x
  3. Step 3: Cross multiply
    111,748.95x = 167,587.79 × 36,855.14
  4. Step 4: Simplify right side
    111,748.95x = 6,176,470,440.53
  5. Step 5: Solve for x
    x = 6,176,470,440.53/111,748.95
  6. Step 6: Final answer
    x = 55,270.95

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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.