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Finding the Fourth Proportional to 154,518.96, 231,780.60 and 43,710.96

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Solution

The fourth proportional to 154,518.96, 231,780.60 and 43,710.96 is: 65,567.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,518.96 : 231,780.60 = 43,710.96 : x
  2. Step 2: Convert to fraction form
    154,518.96/231,780.60 = 43,710.96/x
  3. Step 3: Cross multiply
    154,518.96x = 231,780.60 × 43,710.96
  4. Step 4: Simplify right side
    154,518.96x = 10,131,352,535.38
  5. Step 5: Solve for x
    x = 10,131,352,535.38/154,518.96
  6. Step 6: Final answer
    x = 65,567.05

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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.