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Finding the Fourth Proportional to 615,376.68, 923,057.58 and 159,927.57

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Solution

The fourth proportional to 615,376.68, 923,057.58 and 159,927.57 is: 239,889.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,376.68 : 923,057.58 = 159,927.57 : x
  2. Step 2: Convert to fraction form
    615,376.68/923,057.58 = 159,927.57/x
  3. Step 3: Cross multiply
    615,376.68x = 923,057.58 × 159,927.57
  4. Step 4: Simplify right side
    615,376.68x = 147,622,355,739.48
  5. Step 5: Solve for x
    x = 147,622,355,739.48/615,376.68
  6. Step 6: Final answer
    x = 239,889.42

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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.