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Finding the Fourth Proportional to 152,361.30, 228,578.40 and 73,410.60

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Solution

The fourth proportional to 152,361.30, 228,578.40 and 73,410.60 is: 110,133.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,361.30 : 228,578.40 = 73,410.60 : x
  2. Step 2: Convert to fraction form
    152,361.30/228,578.40 = 73,410.60/x
  3. Step 3: Cross multiply
    152,361.30x = 228,578.40 × 73,410.60
  4. Step 4: Simplify right side
    152,361.30x = 16,780,077,491.04
  5. Step 5: Solve for x
    x = 16,780,077,491.04/152,361.30
  6. Step 6: Final answer
    x = 110,133.46

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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.