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Finding the Fourth Proportional to 111,541.68, 167,209.76 and 48,322.08

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Solution

The fourth proportional to 111,541.68, 167,209.76 and 48,322.08 is: 72,438.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,541.68 : 167,209.76 = 48,322.08 : x
  2. Step 2: Convert to fraction form
    111,541.68/167,209.76 = 48,322.08/x
  3. Step 3: Cross multiply
    111,541.68x = 167,209.76 × 48,322.08
  4. Step 4: Simplify right side
    111,541.68x = 8,079,923,399.50
  5. Step 5: Solve for x
    x = 8,079,923,399.50/111,541.68
  6. Step 6: Final answer
    x = 72,438.60

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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.