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Finding the Fourth Proportional to 192,484.32, 288,776.31 and 59,361.64

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Solution

The fourth proportional to 192,484.32, 288,776.31 and 59,361.64 is: 89,057.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,484.32 : 288,776.31 = 59,361.64 : x
  2. Step 2: Convert to fraction form
    192,484.32/288,776.31 = 59,361.64/x
  3. Step 3: Cross multiply
    192,484.32x = 288,776.31 × 59,361.64
  4. Step 4: Simplify right side
    192,484.32x = 17,142,235,354.75
  5. Step 5: Solve for x
    x = 17,142,235,354.75/192,484.32
  6. Step 6: Final answer
    x = 89,057.83

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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.