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Finding the Fourth Proportional to 103,673.76, 155,508.81 and 33,553.14

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Solution

The fourth proportional to 103,673.76, 155,508.81 and 33,553.14 is: 50,329.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,673.76 : 155,508.81 = 33,553.14 : x
  2. Step 2: Convert to fraction form
    103,673.76/155,508.81 = 33,553.14/x
  3. Step 3: Cross multiply
    103,673.76x = 155,508.81 × 33,553.14
  4. Step 4: Simplify right side
    103,673.76x = 5,217,808,873.16
  5. Step 5: Solve for x
    x = 5,217,808,873.16/103,673.76
  6. Step 6: Final answer
    x = 50,329.12

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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.