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Finding the Fourth Proportional to 165,551.60, 248,331.96 and 60,448.88

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Solution

The fourth proportional to 165,551.60, 248,331.96 and 60,448.88 is: 90,674.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,551.60 : 248,331.96 = 60,448.88 : x
  2. Step 2: Convert to fraction form
    165,551.60/248,331.96 = 60,448.88/x
  3. Step 3: Cross multiply
    165,551.60x = 248,331.96 × 60,448.88
  4. Step 4: Simplify right side
    165,551.60x = 15,011,388,850.20
  5. Step 5: Solve for x
    x = 15,011,388,850.20/165,551.60
  6. Step 6: Final answer
    x = 90,674.99

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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.