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Finding the Fourth Proportional to 152,437.92, 228,722.48 and 73,611.12

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Solution

The fourth proportional to 152,437.92, 228,722.48 and 73,611.12 is: 110,448.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,437.92 : 228,722.48 = 73,611.12 : x
  2. Step 2: Convert to fraction form
    152,437.92/228,722.48 = 73,611.12/x
  3. Step 3: Cross multiply
    152,437.92x = 228,722.48 × 73,611.12
  4. Step 4: Simplify right side
    152,437.92x = 16,836,517,921.98
  5. Step 5: Solve for x
    x = 16,836,517,921.98/152,437.92
  6. Step 6: Final answer
    x = 110,448.36

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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.