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Finding the Fourth Proportional to 165,323.00, 248,054.74 and 90,355.57

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Solution

The fourth proportional to 165,323.00, 248,054.74 and 90,355.57 is: 135,571.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,323.00 : 248,054.74 = 90,355.57 : x
  2. Step 2: Convert to fraction form
    165,323.00/248,054.74 = 90,355.57/x
  3. Step 3: Cross multiply
    165,323.00x = 248,054.74 × 90,355.57
  4. Step 4: Simplify right side
    165,323.00x = 22,413,126,577.88
  5. Step 5: Solve for x
    x = 22,413,126,577.88/165,323.00
  6. Step 6: Final answer
    x = 135,571.74

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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.