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Finding the Fourth Proportional to 111,486.72, 167,255.62 and 48,317.46

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Solution

The fourth proportional to 111,486.72, 167,255.62 and 48,317.46 is: 72,487.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,486.72 : 167,255.62 = 48,317.46 : x
  2. Step 2: Convert to fraction form
    111,486.72/167,255.62 = 48,317.46/x
  3. Step 3: Cross multiply
    111,486.72x = 167,255.62 × 48,317.46
  4. Step 4: Simplify right side
    111,486.72x = 8,081,365,981.12
  5. Step 5: Solve for x
    x = 8,081,365,981.12/111,486.72
  6. Step 6: Final answer
    x = 72,487.25

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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.