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Finding the Fourth Proportional to 103,048.80, 154,583.64 and 35,572.04

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Solution

The fourth proportional to 103,048.80, 154,583.64 and 35,572.04 is: 53,361.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,048.80 : 154,583.64 = 35,572.04 : x
  2. Step 2: Convert to fraction form
    103,048.80/154,583.64 = 35,572.04/x
  3. Step 3: Cross multiply
    103,048.80x = 154,583.64 × 35,572.04
  4. Step 4: Simplify right side
    103,048.80x = 5,498,855,425.43
  5. Step 5: Solve for x
    x = 5,498,855,425.43/103,048.80
  6. Step 6: Final answer
    x = 53,361.66

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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.