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Finding the Fourth Proportional to 103,664.70, 155,497.05 and 33,551.10

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Solution

The fourth proportional to 103,664.70, 155,497.05 and 33,551.10 is: 50,326.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,664.70 : 155,497.05 = 33,551.10 : x
  2. Step 2: Convert to fraction form
    103,664.70/155,497.05 = 33,551.10/x
  3. Step 3: Cross multiply
    103,664.70x = 155,497.05 × 33,551.10
  4. Step 4: Simplify right side
    103,664.70x = 5,217,097,074.26
  5. Step 5: Solve for x
    x = 5,217,097,074.26/103,664.70
  6. Step 6: Final answer
    x = 50,326.65

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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.