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Finding the Fourth Proportional to 74,152, 111,232.76 and 29,772.88

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Solution

The fourth proportional to 74,152, 111,232.76 and 29,772.88 is: 44,661.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,152 : 111,232.76 = 29,772.88 : x
  2. Step 2: Convert to fraction form
    74,152/111,232.76 = 29,772.88/x
  3. Step 3: Cross multiply
    74,152x = 111,232.76 × 29,772.88
  4. Step 4: Simplify right side
    74,152x = 3,311,719,615.55
  5. Step 5: Solve for x
    x = 3,311,719,615.55/74,152
  6. Step 6: Final answer
    x = 44,661.23

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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.