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Finding the Fourth Proportional to 111,646.89, 167,495.58 and 36,774.54

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Solution

The fourth proportional to 111,646.89, 167,495.58 and 36,774.54 is: 55,170.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,646.89 : 167,495.58 = 36,774.54 : x
  2. Step 2: Convert to fraction form
    111,646.89/167,495.58 = 36,774.54/x
  3. Step 3: Cross multiply
    111,646.89x = 167,495.58 × 36,774.54
  4. Step 4: Simplify right side
    111,646.89x = 6,159,572,906.53
  5. Step 5: Solve for x
    x = 6,159,572,906.53/111,646.89
  6. Step 6: Final answer
    x = 55,170.13

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1.5x scale

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.