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Finding the Fourth Proportional to 239,043.50, 329,880.03 and 133,059.50

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Solution

The fourth proportional to 239,043.50, 329,880.03 and 133,059.50 is: 183,622.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,043.50 : 329,880.03 = 133,059.50 : x
  2. Step 2: Convert to fraction form
    239,043.50/329,880.03 = 133,059.50/x
  3. Step 3: Cross multiply
    239,043.50x = 329,880.03 × 133,059.50
  4. Step 4: Simplify right side
    239,043.50x = 43,893,671,851.79
  5. Step 5: Solve for x
    x = 43,893,671,851.79/239,043.50
  6. Step 6: Final answer
    x = 183,622.11

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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.