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Finding the Fourth Proportional to 111,652.48, 167,373.76 and 37,728.64

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Solution

The fourth proportional to 111,652.48, 167,373.76 and 37,728.64 is: 56,557.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,652.48 : 167,373.76 = 37,728.64 : x
  2. Step 2: Convert to fraction form
    111,652.48/167,373.76 = 37,728.64/x
  3. Step 3: Cross multiply
    111,652.48x = 167,373.76 × 37,728.64
  4. Step 4: Simplify right side
    111,652.48x = 6,314,784,336.49
  5. Step 5: Solve for x
    x = 6,314,784,336.49/111,652.48
  6. Step 6: Final answer
    x = 56,557.49

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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.