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Finding the Fourth Proportional to 103,704.32, 155,554.68 and 33,583.76

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Solution

The fourth proportional to 103,704.32, 155,554.68 and 33,583.76 is: 50,375.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,704.32 : 155,554.68 = 33,583.76 : x
  2. Step 2: Convert to fraction form
    103,704.32/155,554.68 = 33,583.76/x
  3. Step 3: Cross multiply
    103,704.32x = 155,554.68 × 33,583.76
  4. Step 4: Simplify right side
    103,704.32x = 5,224,111,040.00
  5. Step 5: Solve for x
    x = 5,224,111,040.00/103,704.32
  6. Step 6: Final answer
    x = 50,375.06

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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.