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Finding the Fourth Proportional to 152,621.96, 228,673.74 and 73,773.32

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Solution

The fourth proportional to 152,621.96, 228,673.74 and 73,773.32 is: 110,534.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,621.96 : 228,673.74 = 73,773.32 : x
  2. Step 2: Convert to fraction form
    152,621.96/228,673.74 = 73,773.32/x
  3. Step 3: Cross multiply
    152,621.96x = 228,673.74 × 73,773.32
  4. Step 4: Simplify right side
    152,621.96x = 16,870,020,996.62
  5. Step 5: Solve for x
    x = 16,870,020,996.62/152,621.96
  6. Step 6: Final answer
    x = 110,534.69

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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.