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Finding the Fourth Proportional to 154,688.80, 232,000.80 and 75,859.60

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Solution

The fourth proportional to 154,688.80, 232,000.80 and 75,859.60 is: 113,773.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,688.80 : 232,000.80 = 75,859.60 : x
  2. Step 2: Convert to fraction form
    154,688.80/232,000.80 = 75,859.60/x
  3. Step 3: Cross multiply
    154,688.80x = 232,000.80 × 75,859.60
  4. Step 4: Simplify right side
    154,688.80x = 17,599,487,887.68
  5. Step 5: Solve for x
    x = 17,599,487,887.68/154,688.80
  6. Step 6: Final answer
    x = 113,773.51

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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.