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Finding the Fourth Proportional to 658,252.50, 987,381.99 and 159,616.50

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Solution

The fourth proportional to 658,252.50, 987,381.99 and 159,616.50 is: 239,425.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,252.50 : 987,381.99 = 159,616.50 : x
  2. Step 2: Convert to fraction form
    658,252.50/987,381.99 = 159,616.50/x
  3. Step 3: Cross multiply
    658,252.50x = 987,381.99 × 159,616.50
  4. Step 4: Simplify right side
    658,252.50x = 157,602,457,406.84
  5. Step 5: Solve for x
    x = 157,602,457,406.84/658,252.50
  6. Step 6: Final answer
    x = 239,425.54

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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.