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Finding the Fourth Proportional to 103,167.43, 154,754.81 and 33,037.63

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Solution

The fourth proportional to 103,167.43, 154,754.81 and 33,037.63 is: 49,557.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,167.43 : 154,754.81 = 33,037.63 : x
  2. Step 2: Convert to fraction form
    103,167.43/154,754.81 = 33,037.63/x
  3. Step 3: Cross multiply
    103,167.43x = 154,754.81 × 33,037.63
  4. Step 4: Simplify right side
    103,167.43x = 5,112,732,153.50
  5. Step 5: Solve for x
    x = 5,112,732,153.50/103,167.43
  6. Step 6: Final answer
    x = 49,557.62

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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.