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Finding the Fourth Proportional to 119,283.76, 178,947.54 and 39,326.44

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Solution

The fourth proportional to 119,283.76, 178,947.54 and 39,326.44 is: 58,996.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,283.76 : 178,947.54 = 39,326.44 : x
  2. Step 2: Convert to fraction form
    119,283.76/178,947.54 = 39,326.44/x
  3. Step 3: Cross multiply
    119,283.76x = 178,947.54 × 39,326.44
  4. Step 4: Simplify right side
    119,283.76x = 7,037,369,694.96
  5. Step 5: Solve for x
    x = 7,037,369,694.96/119,283.76
  6. Step 6: Final answer
    x = 58,996.88

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1.5x scale

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.