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Finding the Fourth Proportional to 111,729.40, 167,623.80 and 48,522.40

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Solution

The fourth proportional to 111,729.40, 167,623.80 and 48,522.40 is: 72,796.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,729.40 : 167,623.80 = 48,522.40 : x
  2. Step 2: Convert to fraction form
    111,729.40/167,623.80 = 48,522.40/x
  3. Step 3: Cross multiply
    111,729.40x = 167,623.80 × 48,522.40
  4. Step 4: Simplify right side
    111,729.40x = 8,133,509,073.12
  5. Step 5: Solve for x
    x = 8,133,509,073.12/111,729.40
  6. Step 6: Final answer
    x = 72,796.50

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.