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Finding the Fourth Proportional to 239,052.50, 329,892.46 and 133,068.50

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Solution

The fourth proportional to 239,052.50, 329,892.46 and 133,068.50 is: 183,634.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,052.50 : 329,892.46 = 133,068.50 : x
  2. Step 2: Convert to fraction form
    239,052.50/329,892.46 = 133,068.50/x
  3. Step 3: Cross multiply
    239,052.50x = 329,892.46 × 133,068.50
  4. Step 4: Simplify right side
    239,052.50x = 43,898,294,813.51
  5. Step 5: Solve for x
    x = 43,898,294,813.51/239,052.50
  6. Step 6: Final answer
    x = 183,634.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.