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Finding the Fourth Proportional to 154,651.86, 232,056.77 and 73,690.34

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Solution

The fourth proportional to 154,651.86, 232,056.77 and 73,690.34 is: 110,573.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,651.86 : 232,056.77 = 73,690.34 : x
  2. Step 2: Convert to fraction form
    154,651.86/232,056.77 = 73,690.34/x
  3. Step 3: Cross multiply
    154,651.86x = 232,056.77 × 73,690.34
  4. Step 4: Simplify right side
    154,651.86x = 17,100,340,751.87
  5. Step 5: Solve for x
    x = 17,100,340,751.87/154,651.86
  6. Step 6: Final answer
    x = 110,573.13

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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.